Bivariate Data Analysis and Mad

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 20 hours

• 35 hours

• 45 hours

• 15 hours

What type of correlation does this graph have?

• positive linear

• negative linear

• positive nonlinear

• negative nonlinear

Bivariate data is the study of how many variables?

• 3

• 1

• 2

• 0

___ data for two variables.

• trivariate

• bivariate

• positive

• negative

Which scatter plot shows a LINEAR relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Which sentence describes the relationship shown on this scatterplot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

As x increases, y increases

• both positive and negative correlation

• no correlation

• positive correlation

• negative correlation