Sampling and Scatterplots

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of7 people?

• $240

• $190

• $200

• $300

Based on the scatterplot, what is the best prediction of the resting heart rate of a person who exercises an average of 8 hours each week?

• 30 beats per minute
• 50 beats per minute
• 55 beats per minute
• 60 beats per minute

Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week, if that person spends an average of 10 hours on recreational activities every week?

• 33 hours
• 85 hours
• 50 hours
• 65 hours

Based on the scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

• $135
• $115
• $105
• $150

Based on this scatterplot, approximately what score would a student with 6 absences expect to receive on the final exam?

• 65
• 92
• 67
• 76

Based on the trend in the data, approximately how many free throws would a player be expected to make if he attempted 60 free throws?

• 50
• 35
• 25
• 60

Based on this graph, what will be the balance remaining on Jason's loan after he makes the 12th payment?

• $750
• $150
• $450
• $300

Tags

CCSS.HSF.IF.B.4

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

Tags

CCSS.8.F.A.3

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.

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing