Constructing Scatterplots Answers
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1
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Which scatterplot correctly represents the table of values below?Number of years collecting stampsNumber of stamps in collection210051754150312541753100
A
A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 100), (3, 100), (3, 125), (4, 150), (4, 175), (5, 200).
B
A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 100), (3, 100), (3, 150), (4, 150), (4, 175), and (5, 175).
C
A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 100), (3, 100), (3, 125), (4, 150), (4, 175), (5, 175).
D
A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 75), (3, 100), (3, 125), (4, 150), (4, 175), and (5, 175).
2
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Which is the last step when creating and analyzing a scatterplot from a table of values?
A
Plot the ordered pairs of the independent variable and the dependent variable on the coordinate plane.B
Draw or obtain a blank coordinate plane.C
Identify if there is a relationship between the independent and dependent variables.D
Label the axes of the coordinate plane according to the input and output variables.3
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.4
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?
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.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.7
Dependent variable C depends on both independent variable A and independent variable B. Which statement is correct?
A
The relationship between independent variable A and dependent variable C and the relationship between independent variable B and dependent variable C can both be analyzed using the same scatterplot.B
The relationship between independent variable A and dependent variable C, and the relationship between independent variable B and dependent variable C can both be analyzed, but they must be analyzed using separate scatterplots.C
Only the relationship between independent variable A and dependent variable C can be analyzed using a scatterplot.D
Only the relationship between independent variable B and dependent variable C can be analyzed using a scatterplot.
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