Moviegoer Spending on snacks (n = 10)

Age (X) $Spent (Y)

30 6.85

50 10.50

34 5.50

12 10.35

37 10.20

33 10.75

36 7.60

26 10.10

18 12.35

46 8.35

Use Excel to make a scatter plot of the data, Select the data points, right click, select add trendline, select the options tab, and choose display equation on chart and display R-squared value on chart.

( C) Calculate R2 ? (Round your answer to 4 decimal places.)

(d) The percentage of variation in spending that is explained by moviegoer's age is ?

(Round your answer to 2 decimal places.)