Question: Given the following data set: x y xy x 2 2 6.1 12.2 4 3 7.3 21.9 9 5 10.4 52.0 25 5 9.4 47.0

  1. Given the following data set:

x y xy x2

2 6.1 12.2 4

3 7.3 21.9 9

5 10.4 52.0 25

5 9.4 47.0 25

6 10.7 64.2 36

7 12.1 84.7 49

28 56.0 282.0 148

Anova Table:

Source Sum of Squares df Mean of Square

Regression 24.641 1 24.641

Error .06123 4 .0153

Total 25 5

a. Calculate x bar

b. Calculate y bar

c. Calculate the slope

d. Calculate the y-intercept

e. Write the regression equation

f. Predict y for x = 15

g. Calculate the coefficient of determination

h. Should you assume a significant relationship between the dependent and independent variables based on a 5% significance level?

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