AnswersWHS Pre-Algebra - MA3119 B-CRTopic Test

Constructing Scatterplots Answers

10 verified answers1 views
1
Free Preview

How many variables are displayed in a scatterplot?

A
one along the x-axis, and one along the y-axis
B
one along the x-axis, and two along the y-axis
C
two along the x-axis, and one along the y-axis
D
two along the x-axis, and two along the y-axis
2
Free Preview

An online store sold a gift basket at five different prices and recorded the number of gift baskets that were sold at each price. The results are shown in the scatterplot.Which statement is correct based on the scatterplot?

Question illustration
A
There is no relationship between price and gift baskets sold because the points do not form a straight line.
B
There is no relationship between price and gift baskets sold because there are multiple prices at which 80 gift baskets were sold.
C
There is a relationship between price and gift baskets sold, and the relationship is that as the price increases, the gift baskets sold increases.
D
There is a relationship between price and gift baskets sold, and the relationship is that as the price increases, the gift baskets sold decreases.
3

What is the name of the type of data that a scatterplot is used to analyze?

A
univariate data
B
bivariate data
C
trivariate data
D
quadvariate data
4

Which table of values was used to create the scatterplot below?

Question illustration
A
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 400, 200, 300.
Option A
B
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 300, 400.
Option B
C
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 400, 300.
Option C
D
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 200, 300, 400, 300.
Option D
5

When a scatterplot is created from a table of values, which statement is correct?

A
It is possible for two points to have the same x-coordinate and the same y-coordinate.
B
It is possible for two points to have the same x-coordinate, but it is impossible for them to have the same y-coordinate.
C
It is possible for two points to have the same y-coordinate, but it is impossible for them to have the same x-coordinate.
D
It is impossible for two points to have the same x-coordinate or the same y-coordinate.
6

Mackenzie investigated the relationship between the number of hours studying and the test score for some of the students in her class. She constructed the scatterplot below.Which statement is correct based on the scatterplot?

Question illustration
A
There is no relationship between hours studying and test score because the points do not form a straight line.
B
There is no relationship between hours studying and test score because there are multiple test scores for 2 hours studying.
C
There is a relationship between study hours and test score. As the hours of studying increase, the test scores increase.
D
There is a relationship between study hours and test score. As the hours of studying increase, the test scores decrease.
7

Elijah created the scatterplot to show the relationship between the temperature in degrees Fahrenheit and the number of visitors to a zoo. Which is true regarding the data in his scatterplot?

Question illustration
A
As the temperature increases, the number of visitors decreases.
B
As the temperature increases, the number of visitors increases.
C
As the temperature increases, the number of visitors remains the same.
D
As the temperature increases, the number of visitors increases then decreases.
8

Which scatterplot is labeled correctly if it is meant to show the relationship between the number of minutes that gym members spend running on a treadmill and the number of calories that they burn?

A
A graph titled Members versus Calories Burned has Members on the x-axis and calories burned on the y-axis. Points plotted are (10, 200), (20, 300), (30, 400), (35, 425), (40, 650), (50, 700).
Option A
B
A graph titled Minutes versus Calories Burned has Minutes on the x-axis and calories burned on the y-axis. Points plotted are (10, 200), (20, 300), (30, 400), (35, 425), (40, 650), (50, 700).
Option B
C
A graph titled Calories Burned versus Minutes has Calories burned on the x-axis and minutes on the y-axis. Points plotted are (160, 11), (200, 15), (300, 20), (376, 25), (390, 30), (400, 35).
Option C
D
A graph titled Calories Burned versus Members has Calories burned on the x-axis and members on the y-axis. Points plotted are (160, 11), (200, 15), (300, 20), (376, 25), (390, 30), (400, 35).
Option D
9

Which describes a correct way to construct a scatterplot?

A
When analyzing the number of junk e-mails received each day of the week, the number of junk e-mails is the independent variable.
B
When analyzing the number of cups of hot tea that are sold during days with varying average temperatures, temperature is the dependent variable.
C
When analyzing shoe size according to height, shoe size is the independent variable.
D
When analyzing the number of boys who participate in volleyball each year for several years, the number of boys who participate in volleyball is the dependent variable.
10

How many points should be plotted when creating a scatterplot from the table of values below?Pages in Book vs. Time Needed to ReadNumber of pages in bookTime needed to read book (hours)200181751527521225184003035026

A
5
B
6
C
11
D
12

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Using Equations to Represent Trend Lines

Quiz
10 verified answers

Comparing Measures of Center and Variability

Quiz
10 verified answers

Drawing Trend Lines