Cumulative Exam Answers

As a manager of a restaurant, you are working on creating a graph to demonstrate the makeup of your staff. The data you are to present is shown in the table below.TaskEmployees on TaskTable waiting8Food preparation14Cleanup6Supervision4If you wish to emphasize the relation of each group to the whole, what kind of graph would be appropriate?a.pie chartb.bar graphc.pictographd.scatter plot

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The two graphs shown below detail the results of two independent response polls studying favorite movie genres. Which genre had the same number of votes in each study? a. action b. horror c. mystery d. not enough information Please select the best answer from the choices provided

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Jack works as a waiter and is keeping track of the tips he earns daily. About how much does Jack have to earn in tips on Sunday if he wants to average $19 a day? a. $25 b. $16 c. $35 d. $15 Please select the best answer from the choices provided

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Which of the following is a pair of events which are dependent on one another?a.observing rainfall in two different citiesb.drawing a pair of cards from a deckc.putting on a pair of pants and a shirt without looking at themd.rolling two dice with the same number of sides

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The two graphs shown below detail the results of two independent response polls studying favorite movie genres. Which genre had the same number of votes in each study? a. action b. horror c. mystery d. not enough information Please select the best answer from the choices provided

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The following graph shows Caroline’s sales records since she started her position 22 months ago. Caroline’s two managers, Shawna and Morris, are having a meeting to discuss her performance. To prepare, Morris looks at Caroline’s sales over the past four months, and Shawna looks at Caroline’s total records. How is Shawna’s opinion likely to differ from Morris’s? a. Morris is likely to see a total growth in sales, while Shawna will probably see a decline in Caroline’s performance. b. Morris will only see a rapid drop in performance, while Shawna knows that Caroline is usually a solid salesperson and that her lapses never last long. c. Shawna will see a higher median performance from Caroline, while Morris will see a higher mean performance. d. Shawna will see that Caroline’s sales tend to increase over time, while Morris will believe that they tend to decrease. Please select the best answer from the choices provided

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Which of the following is not a method used on graphs to lead the reader to misinterpret the graph?a.Use inconsistent scales on one or both axes.b.Reverse the x- and y-axes to obtain a more convincing graph. c.Comparing two sets of related data on the same graph for the sake of comparison.d.Begin the scale of one or both axes at a number other than zero without notifying the reader.

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A restaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those patrons left tips of at least 15%. The data she collected is in the table below.DayMonTueWedThuFriSatSunPatrons126106103126153165137Tippers82879368918364Which day of the week has the lowest experimental probability of patrons tipping at least 15%?a.Sundayb.Saturdayc.Fridayd.Thursday

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What kind of graph is characterized by presenting data values as portions of a circle?a.scatter plotb.pie chartc.histogramd.pictograph

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Which of the following is a reason people sometimes use mean or median to misrepresent the “average” of a set of data?a.In many data sets, the mean and median are always similar.b.In most data sets, the mean and median are always different.c.The median is meaningless but is often confused with the mean.d.In data sets with outliers, either the mean or median can be used to make the data set appear more favorable to their agenda.

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A batch of tiles, shown below, is placed into a bag. Ariana randomly draws one tile from the bag, records it, puts it back in the bag, and draws another tile. What is the probability that Ariana will draw a purple tile first and a red tile second? a. 17/60 b. 1/30 c. 1/5 d. 1/60 Please select the best answer from the choices provided

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Jake has decided to give a bonus to the employee who has worked the greatest total number of hours over the past six months. Four candidates are currently up for consideration. The following graph shows how many hours each one has worked over the past six months. To which employee will Jake give the bonus? a. Vince b. Claire c. Joey d. Katharine Please select the best answer from the choices provided

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You are the manager of a retail store, and you have been tasked with finding the return rate on a certain brand of laptop computers. You have assembled the data on the number of computers sold and the number returned over the past six months in the table below.MonthOctNovDecJanFebMarSold1,6211,7521,8481,6341,7251,780Returned223415421560330304Using the table as experimental data, if your store has 379 laptops returned in April, how many laptops are likely to have been sold in April?a.1,578b.1,740c.1,743d.2,219

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Kate recorded what she ate for breakfast every day for six months. Her findings are shown in the graph below. If Kate were to transfer this data to the pie chart shown below, which segment would contain the data for cereal? a. 27% b. 19% c. 21% d. 22% Please select the best answer from the choices provided

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A company is presenting the sales data using a bar graph. The company asserts that the sales increased substantially from 2006 to 2008 using Bar Graph 1. Their competitor used the same sales data to produce Bar Graph 2. Which bar graph is misleading? How do you know? a. Bar Graph 2 is misleading because it does not show that the sales increased from 2006 to 2008. b. Bar Graph 1 is misleading because the vertical axis does not start at 0 and the scale for the graph is 0.25 instead of 1. c. Bar Graph 2 is misleading because the vertical axis starts at 0 and increases by units of 1. d. Bar Graph 1 is misleading because shows the sales for all eight years. Please select the best answer from the choices provided

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Hector has started growing orchids in a greenhouse. He has kept a record how many new blossoms his orchids have grown each week, which may be seen in the graph below. Between which two weeks did the greatest increase in new blossoms occur? a. 1 and 2 b. 4 and 5 c. 5 and 6 d. 8 and 9 Please select the best answer from the choices provided

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The following graph details the number of performances of plays a Shakespearean acting company has performed over the past five years. If the company has performed 147 times in the past five years, how many times have they performed Othello? Round to the nearest whole performance, if necessary. a. 51 b. 28 c. 19 d. 7 Please select the best answer from the choices provided

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Carolyn selected a tile randomly from the set shown below. What is the probability that she selected a white tile or a tile with an even number? a. 8/15 b. 1/72 c. 1/4 d. 9/20 Please select the best answer from the choices provided

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Abger Electronics, a retail store, restructures its employees’ schedules every six months. The employees are asked for their shift preferences, and the schedules are rearranged according to these preferences. When there is a conflict, those with the best total sales over the past six months are given priority. The following graph and table show the most recent sales records and employee preferences, respectively. Employee 1st Pick 2nd Pick 3rd Pick 4th Pick Rachel 12 p.m. 3 p.m. 9 a.m. 6 p.m. Gary 9 a.m. 6 p.m. 12 p.m. 3 p.m. Hannah 12 p.m. 6 p.m. 3 p.m. 9 a.m. Christopher 9 a.m. 12 p.m. 3 p.m. 6 p.m. Based on this information, when will each employee’s shift begin? a. 9 a.m. - Gary; 12 p.m. - Rachel; 3 p.m. - Christopher; 6 p.m. - Hannah b. 9 a.m. - Christopher; 12 p.m. - Rachel; 3 p.m. - Hannah; 6 p.m. - Gary c. 9 a.m. - Christopher; 12 p.m. - Hannah; 3 p.m. - Rachel; 6 p.m. - Gary d. 9 a.m. - Gary; 12 p.m. - Rachel; 3 p.m. - Hannah; 6 p.m. - Christopher Please select the best answer from the choices provided

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The table shown below details the observed amount of electricity consumed by the average American over the course of one year, as measured in kilowatt-hours. Month Usage (kWh) Jan-Feb 2,239 Mar-Apr 2,197 May-Jun 2,113 Jul-Aug 2,156 Sep-Oct 2,269 Nov-Dec 2,270 Kevin is trying to display this information in the form of a graph. He would like the graph to look like the one below. What scale should Kevin use on the y-axis to display the information on the table like the graph? a. 500 kWh per mark b. 100 kWh per mark c. 50 kWh per mark d. 10 kWh per mark Please select the best answer from the choices provided

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The table below shows data on the number of emergency room admissions recorded over the span of one shift. Time 6a 7a 8a 9a 10a 11a 12p 1p 2p Patients 14 15 14 18 10 10 11 16 8 Which of the following graphs displays the same information as that shown in the table? I. II. III. a. I b. II c. III d. all of these Please select the best answer from the choices provided

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What are the mean, median, and mode of the following data set? 3/4 2/5 1/10 3/4 1/4 a.mean: 1/10, median: 1/10, mode: 3/4b.mean: 9/20, median: 1/10, mode: 3/4c.mean: 9/20, median: 2/5, mode: 3/4d.mean: 2/5, median: 4/9, mode: 3/4

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Lisa is a leading player on her basketball team. She has kept track of how many points she has scored over the course of the season. Her scores may be viewed in the table below. 36203513301436112919224034172621What is the median of Lisa’s scores? Round to the nearest point, if necessary.a.23b.24c.26d.30

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Which of the following is not a measure of variability?a.rangeb.variancec.standard deviationd.regulated differences

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The following graph shows a bus’s record of the number of passengers it picked up over the course of a day. How many people rode the bus during the 12:00 hour? a. 55 b. 43 c. 41 d. 36 Please select the best answer from the choices provided

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Sarah is saving for a vacation. She kept track of how much she saved each month over the last six months in the following table. What did Sarah save per month on average?SepOctNovDecJanFeb$135.00$144.00$104.00$80.00$90.00$160.00a.$118.80b.$119.50c.$713.00d.$118.83

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Which of the following is not a way Ian Dicker claims a Business Intelligence Dashboard will help you to make good business decisions?a.allowing five different methods with which to monitor your businessb.increasing data-sampling rate, providing more data points for analysisc.offering a central point by which the organization or team can monitor progressd.reducing decision-making time by viewing the business progress visually rather than numerically

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Dave works as a waiter. He is calculating his average tips from the past two weeks. His total tips from each night can be found in the table below, with all values being in dollars.DaySunMonTueWedThuFriSatWeek 1100.85166.57135.74148.12113.94190.13235.31Week 2102.57124.02142.40108.60110.50163.82183.01Find the mean of Dave’s nightly tips. Round to the nearest cent, if necessary.a.$168.08b.$144.68c.$139.07d.$133.56

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Lisa is a leading player on her basketball team. She has kept track of how many points she has scored over the course of the season. Her scores may be viewed in the table below. 36203513301436112919224034172621What is the median of Lisa’s scores? Round to the nearest point, if necessary.a.23b.24c.26d.30

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What are the median and mode of the data set?48253446292746a.median: 46, mode: 46 b.median: 34, mode: 36c.median: 46, mode: 48d.median: 34, mode: 46

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It is the policy of stores owned by the Talkara Co. to give out bonuses to salespeople every six months. The size of the bonus is determined by averaging (taking the mean of) the two highest and the lowest monthly sales totals from the six-month period, taking 8% of the result, and splitting it evenly among the salespeople. The graph below shows sales for the most recent bonus period. If there are six salespeople, how much money will each one receive, to the nearest dollar? a. $243 b. $309 c. $324 d. $355 Please select the best answer from the choices provided

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What kind of graph is shown below? a. bar graph b. histogram c. line graph d. pictograph Please select the best answer from the choices provided

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Terrence is playing a game in which he will randomly select one square tile and one round tile from the tile sets shown below. Before he does so, he tries to guess which tiles he will draw. Of the four possible guesses listed below, which will give Terrence the highest chance of success? a. black or pink square tile and blue or green round tile b. yellow square tile and yellow round tile c. green, brown, or white square tile and black or white round tile d. red square tile and red or white round tile Please select the best answer from the choices provided

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Tony is the staff manager of a movie theater, and he is trying to decide which shifts should have the greatest number of employees on staff. Over the course of a week, Tony recorded how many customers appeared during each shift, the results of which can be seen in the graph below. Tony wants the distribution of his employees to match the distribution of the customers. If Tony has 230 total employees, how many should he assign to the 1:00 p.m. shift? a. 15 b. 20 c. 68 d. 156 Please select the best answer from the choices provided

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The following chart represents the record high temperatures recorded in Phoenix for April-November. Select the answer below that best describes the mean and the median of the data set (round answers to the nearest tenth). a. The mean is 114.5°F, and the median is 111.9°F. b. The mean is 121°F, and the median is 118.5°F. c. The mean is 111.9°F, and the median is 114.5°F. d. The mean is 118.5°F, and the median is 121°F. Please select the best answer from the choices provided

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Which part of the decision-making process is directly related to brainstorming?a.defining the objectiveb.collecting relevant datac.generating possible optionsd.implementing and evaluating

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Which of the three following graphs display the same data? I. II. III. a. I and II b. I and III c. II and III d. I, II, and III Please select the best answer from the choices provided

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Jerry has been a returning contestant on a game show for the last seven weeks. In a contestant's first seven appearances on the show they have a chance to answer one question and win anywhere between $200-$900. On their eighth appearance they get a chance to answer a question worth $10,000. Given Jerry's winnings in the following table, describe what would happen to the mean and median of the data set if he were to get the Week 8 question right.Week 1Week 2Week 3Week 4Week 5Week 6Week 7$684$770$481$647$277$853$712a.The mean increases by $1,803, the median increases by $698.b.The mean decreases by $1,803, the median decreases by $698.c.The mean decreases by $1,171, the median decreases by $14.d.The mean increases by $1,171, the median increases by $14.

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Consider this chart, which details a store’s sales revenue by department. Which of the following statements indicate ways in which this graph is misleading? I. The sections are not numerically labeled. II. The time frame is not mentioned. III. It is unclear which color corresponds to which section. a. I and II b. II only c. I and III d. I, II, and III Please select the best answer from the choices provided

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Perry is considering trying to open a new business within the next few years, and he is doing research to determine what kind of businesses tend to be successful. So far, he has compiled two tables. The first shows the number of businesses of several types started in Perry’s city over the course of two years, and the number of those businesses which did not succeed and were forced to shut down within two years of opening. The second deals with separate records of successful new businesses, showing how much profit those new businesses turned over two years. Businesses on the boundary lines fall in the lower category. Type Food Retail Financial Service Opened 3,193 2,280 1,898 5,045 Closed 1,977 1,626 1,443 3,548 Up to $25k $25-50k $50-75k $75-100k Over $100k Food 945 623 601 258 114 Retail 813 548 347 188 63 Financial 316 244 195 86 51 Service 979 739 432 174 124 Using the tables as experimental data, determine whether it is more likely for a new food establishment to succeed and earn up to $25,000, or whether it is more likely for a new financial establishment to succeed and earn profits in either the $25,000-50,000 range or the $50,000-75,000 range, and how much more likely the one situation is than the other. Express all probabilities as percentages to two decimal places, and express differences by number of percentage points (for example, 23% is 5 percentage points greater than 18%). a. The situation involving the food establishment has a probability 11.14 percentage points higher than the situation involving the financial establishment. b. The situation involving the financial establishment has a probability 12.03 percentage points higher than the situation involving the food establishment. c. The situation involving the food establishment has a probability 2.08 percentage points higher than the situation involving the financial establishment. d. The situation involving the financial establishment has a probability 4.99 percentage points higher than the situation involving the food establishment. Please select the best answer from the choices provided

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In order to better decide how to market a new line of clothing, Mary is researching the demographics of the customers of a certain clothing store. She counted the number of customers who visited the store over the course of a month, and found out how many of the customers were high school students. Her collected data is in the table below.Week1234Customers2,8483,1413,8613,911Students2,0331,9372,0761,721Mary predicts that the store will see 4,238 customers next week. Approximately how many high school students should the store expect next week?a.1,865b.2,392c.2,446d.3,025

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The following graph shows the sales records of four employees over a period of six months. Which employee experienced the single greatest decline in sales between two months? a. Mary b. Lewis c. Todd d. Paige Please select the best answer from the choices provided

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Molly records the interest earned in her savings account in the last 5 months. What are the mean, median, and mode of the data set?Month 1Month 2Month 3Month 4Month 50.240.420.370.380.24a.mean: 0.37, median: 0.33, mode: 0.24b.mean: 0.24, median: 0.37, mode: 0.33c.mean: 0.33, median: 0.37, mode: 0.24d.mean: 0.33, median: 0.37, mode: 0.42

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Which measure of central tendency would be best to describe the distribution of hair colors at the mall?a.medianb.modec.meand.none of the above

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Jake has decided to give a bonus to the employee who has worked the greatest total number of hours over the past six months. Four candidates are currently up for consideration. The following graph shows how many hours each one has worked over the past six months. To which employee will Jake give the bonus? a. Vince b. Claire c. Joey d. Katharine Please select the best answer from the choices provided

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Which of the following statements is not true?a.The median is not affected by outliers as much as the mean.b.The mode is the most frequently occuring value(s) in a data set.c.The best measure of central tendency depends on the data set.d.The mean is the middle value of a data set.

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Consider the following graph, which details the population of a city over time. What aspect of the graph is likely being emphasized by the choice of graph style, choice of scale, and so on? a. the sharp differences between individual data points b. the disjoint nature of the data collected c. the strong distinction between each year’s data d. the extended, continual growth of the population Please select the best answer from the choices provided

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In the decision-making process, why is it important to gather relevant information before making a decision?a.Gathering relevant information is a way of determining the outcome of a decision before it is made.b.Gathering relevant information helps you determine what your objective should be.c.Gathering relevant information helps you become aware of factors which could influence your actions or their consequences.d.Gathering relevant information allows you to explain your decision to other people.

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