Bivariate Data

Bivariate data involves

• one variable

• two variables

• three variables

• four variables

is a diagram that uses coordinates to display values for two variables for a set of data.

• dot plot

• scatter plot

• histogram

• stem and leaf plot

The correlation is positive if the y variable generally increases as the x variable increases.

• True

• False

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

• strong

• weak

• positive

• negative

___ data for two variables.

• trivariate

• bivariate

• positive

• negative

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

• strong

• weak

• positive

• negative

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

• strong

• weak

• positive

• negative

The two top-selling book stores for a company list their sales figures for the first 6 months of the year. Sales amounts are in thousands of dollars. What was the difference in the sales figure for August?

• 6

• 5

• 6 000

• 5 000

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 scatter plot?

• 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