Positive, Negative, No Association and Predictions

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

• $750

• $150

• $450

• $300

• $85

• $50

• $35

• $25

Which correlation coefficient best describes the correlation shown?

• 0

• -0.75

• -0.3

• 0.3

• $13,500.00

• $11,454.55

• $13,454.55

• $636.36

Is the association a positive or negative association?

• Positive

• Negative

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.

• No correlation

• Positive correlation

• Negative correlation

• Positive then negative correlation

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above