AnswersTX-College Prep Math BRange and Interquartile Range

Box Plots Answers

25 verified answers1 views
1
Free Preview

What is the median of this set of data? 66, 51, 77, 68, 60, 75, 54, 80

A
29
B
64
C
66
D
67
2
Free Preview

Which set of data contains two outliers?

A
113, 115, 103, 114, 109, 111, 119
B
141, 151, 138, 142, 149, 140, 150
C
99, 113, 91, 104, 109, 114, 97
D
101, 135, 131, 99, 138, 136, 140
3

Harlon recorded this set of data, which contains an outlier.163, 97, 184, 199, 169, 175What is the range of this set of data?

A
12
B
97
C
102
D
172
4

Asa received scores of 72, 97, and 82 on her last three math tests. She needs a mean test score of 82 to qualify for the math team. What is the first step in determining how many points she needs on her next test to qualify for the team?

A
Find the sum of all the numbers in the problem, .
Option A
B
Find the average score for the three tests that Asa has taken.
C
Determine the total number of points that she needs on the last test.
D
Determine how many total points are needed to have an average of 82.
5

Which dot plot is most strongly skewed right?

A
Number of Movies Seen at the Theater This Year
Option A
B
Number of Movies Seen at the Theater This Year
Option B
C
Number of Movies Seen at the Theater This Year
Option C
D
Number of Movies Seen at the Theater This Year
Option D
6

The Wing Station wants the average price of the lunch meal deals to be $8. Lunch Meal Deal PricesItemPrice ($)Deluxe hamburger$9Reuben sandwich$7Chicken wings Chicken stir fry$9Cobb salad$6Make your own sandwich$10What does the price of the chicken wings need to be for this to happen?

A
$6
B
$7
C
$8
D
$9
7

The dot plot shows how much hairdressers in Margot’s area charge for a woman’s haircut. The least expensive cut is $25. Margot described the data as having a spread from $25 to $47, seven gaps, a cluster from $35 to $37, and a center of $37. Where did Margot make an error?Price of a Woman’s Haircut (in dollars)

Question illustration
A
The spread is from $25 to $46.
B
There are 11 gaps.
C
The cluster is from $36 to $37.
D
The center is at $36.
8

What is the range for this set of data?7, 15, 12

A
3
B
5
C
8
D
12
9

Raj recorded the scores of six of his classmates in the table. Math Scores9876100888270What is the range of their test scores?

A
28
B
30
C
85
D
86
10

Sammi wanted to create a dot plot based on this tally chart. In which step, if any, did Sammi make a mistake creating his dot plot?Steps to Create a Dot PlotStep 1Create a number line.Step 2Title the Dot PlotStep 3Plot the Points

Question illustration
A
Sammi made a mistake in Step 1 because his number line did not include all numbers in the data set.
B
Sammi made a mistake in Step 2 because he chose a title without knowing if the table represents the number of hours read per week.
C
Sammi made a mistake in Step 3 because he did not correctly plot each dot above the appropriate place on the number line.
D
Sammi did not make a mistake.
11

What is the spread of the data in the dot plot?Number of Days It Was Sunny Each Week

Question illustration
A
from 0 to 5
B
from 1 to 8
C
from 1 to 5
D
from 0 to 8
12

Kate recorded the number of minutes she read each day for the last two weeks in the table. Week 1Week 2Sunday8555Monday3550Tuesday5045Wednesday6045Thursday3040Friday3530Saturday5050How can Kate figure out which week had the larger range in minutes read?

A
1. Order the minutes for each week.2. Find the range for each week. 3. Compare the ranges. Week 1 had the larger range in minutes.
B
1. Order the minutes for each week.2. Find the range for each week.3. Compare the ranges. Week 2 had the larger range in minutes.
C
1. Find the difference between the Sunday and Saturday minutes for each week.2. Compare the ranges.Week 1 had the larger range in minutes.
D
1. Find the difference between the Sunday and Saturday minutes for each week.2. Compare the ranges.Week 2 had the larger range in minutes.
13

Which lists the steps in the correct order to find the median of this data set?24, 16, 23, 30, 18, 29

A
1. Put the numbers in order.2. Cross off high/low pairs.3. Add the leftover numbers.4. Divide the sum by 2.
B
1. Put the numbers in order. 2. Cross of high/low pairs.
C
1. Cross off high/low pairs.2. Add the leftover numbers.3. Divide the sum by 2.
D
1. Cross of high/low pairs.
14

Which is an example of a statistical question?QuestionsQuestion 1How old am I?Question 2How old is the teacher?Question 3How old will I be after my next birthday?Question 4How old are the students in math class?

A
question 1
B
question 2
C
question 3
D
question 4
15

Nicole received the following scores on her last 10 math assignments. 100, 88, 76, 78, 92, 94, 84, 98, 82, 90What is the Nicole’s median score?

A
24
B
88
C
89
D
93
16

What is the interquartile range of this set of data? 15, 19, 20, 25, 31, 38, 41

A
6
B
13
C
19
D
26
17

Julia had nine months to earn money for a school trip. The histogram shows Julia’s monthly deposits into her savings account.Which best describes the data for June, July, and August?

Question illustration
A
a cluster
B
a gap
C
low frequency
D
symmetric
18

Which statements about the histogram are true? Check all that apply.

Question illustration
A
The histogram shows that nine students had grades of 80 or higher.
B
The histogram shows there were 22 students in the class.
C
The histogram shows there were 25 students in the class.
D
The histogram is symmetrical.
E
The histogram has a peak.
F
The histogram shows the data is evenly distributed.
G
The histogram shows a gap in the data.
19

What is the range for this set of data?38, 17, 55, 40

A
2
B
38
C
39
D
72
20

Jacob’s daily tips this work week were $99, $78, $58, $91, $90, and $68. Is Jacob correct in thinking that the median best represents how much money he makes in daily tips?

A
No, Jacob is not correct. The mean amount he makes is $82.67 in a day.
B
Yes, Jacob is correct. The mean amount he makes is $81.67 in a day.
C
No, Jacob is not correct. The median amount he makes is $86.00 in a day.
D
Yes, Jacob is correct. The median amount he makes is $84.00 in a day.

Did you find these answers helpful?

More from this Course

Quiz
25 verified answers

Unit Test

Quiz
10 verified answers

Range and Interquartile Range

Quiz
8 verified answers

Range and Interquartile Range

Box Plots Answers — TX-College Prep Math B