a. (increase, decrease, stay the same)b. (a positive, a negative, no)c. ($5, $15, $25, $40, $50)

The scatter plot shows the number of hours worked and money spent on entertainment by each of 21 students. Also shown is the line of best fit for the data. Fill in the blanks below. 70- 65- 60- 55 Amount of 50- money spent on 45- X X entertainment X X (in dollars) 35- X 30 XX 25 X 20 15. 16 18 20 22 Number of hours worked (a) For these 21 students, as the number of hours increases, the amount of money spent tends to (Choose one) X 5 (b) For these 21 students, there is (Choose one) V correlation between the number of hours worked and the amount of money spent. (c) Using the line of best fit, we would predict that a student working 10 hours would spend approximately (Choose one) V