Associations in Data

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Which of the following lines represents the trend line for the scatter plot?

• A

• B

• C

• D

According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?

• About 27%

• About 35%

• About 15%

• About 30%

According to the table, what percentage of people who meditated reported feeling agitated?

• 34%

• 52%

• 44%

• 56%

Estimate the y-intercept of the trend line by looking at the graph.

• 2

• 1.8

• 1.2

• 0

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

Which conclusion is best supported by the scatterplot?

• As the length of a call increases, the cost of the call increases.

• As the length of a call increases, the cost of the call remains the same.

• As the length of a call increases, the cost of the call decreases.

• There is no relationship between the length of a call and the cost of the call.

Describe the association for the graph.

• Linear and Positive

• Linear and Negative

• Non-Linear and Positive

• Non-Linear and Negative

• Non-Linear and No Association

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D