Bivariate Data Test Review

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot. What type of association should he expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association

How many people purchased no food and no drink?

• 60

• 10

• 20

• 200

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6

• 50

• 55

• 59

What does bivariate mean?

• 1 variable

• 2 variables

• 3 variables

• 4 variables

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%

What is the relative frequency of people that purchased no food?

• 10%

• 60%

• 15%

• 30%

Given that a person likes chocolate ice cream, what is the relative frequency that they are a teenager?

• .112

• .267

• .164

• .056

The relationship between grades on a test and the amount of time studied is graphed in the scatterplot below. The line of best fit for this data set is y = 0.86x + 36.59. What is the meaning of the slope?

• If students do not study, they can expect a grade of 36.

• For every 10 minutes students study, they can expect their grade to improve by 8.6 points.

• For every 10 points more in the test score, students must study an additional 8.6 minutes.

• If students study for 1 hour, they can expect a grade of 86

Tags

CCSS.HSF.LE.B.5

What type of association exists between the data points?

• positive association

• negative association

• positive then negative association

• no association