Bivariate Data

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

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

In how many months did the City Central store sell more books than the Chatswood store?

• 1

• 2

• 3

• 4

During what times did the temperature stay the same?

• 8am-10am

• 11am-12 noon

• 12 noon - 1 pm

• 2pm - 4 pm

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

• Positive Association
• Negative Association
• No Association
• Non-Linear Association