Scatterplots and Making Predictions

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?

• $220

• $160

• $40

• $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

• 95 beats per minute

• 70 beats per minutes

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

• 95 hours

• 50 hours

• 65 hours

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.A.2

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

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Tags

CCSS.8.EE.B.5

What type of correlation does this scatter plot show?

• positive 

• negative

• no correlation

• nonlinear association