Bivariate Data Exam

A line drawn on a scatter plot that is close to most of the data points is called a:

• Best fitting line

• Best Linear Line

• Line of best fit

Has the line of best fit been drawn in correctly on this scatterplot?

• Yes

• No

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

What is the equation of the trend line?

Choose two words from those listed below to best describe the correlation between the two variables.

• strong

• weak

• positive

• negative

A teacher made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65

• 92

• 70

• 76

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

Choose two words from those listed below to best describe the correlation between the two variables.

• strong

• weak

• positive

• negative

What is Bivariate Data?

• A set of data that shows a relationship between two variables.

• A set of data that shows a relationship between three variables.

What operations are needed to determine the relative frequency of kids 10 and over that love to swim outdoors? (Select all that apply)

• Addition

• Subtraction

• Multiplication

• Division