Use The Following Data For Questions 21 To 24 1 What Is The Sum Of Squares Total

Use the following data for questions 21 to 24

1)     What is the sum of squares total?

A.   50850.25671

B.    16774.29876

C.    150968.6542

D.   718339336.8

2)     What is the correlation coefficient?

A.   0.5633

B.    0.1688

C.    0.5484

D.   0.4839

3)     Which of the following is true about the coefficient of determination for the above data?

A.   It equals 0.3173 and it is statistically different from zero at alpha = 0.05

B.    It equals 0.3173 and it is not statistically different from zero at alpha = 0.05

C.    It equals 0.5020 and it is statistically different from zero at alpha = 0.05

D.   None of the above are correct

4)     If the p-value is less than the alpha value (significance level), can you reject the null hypothesis?

A.   Cannot be determined from the data provided

B.    Yes, the null hypothesis can be rejected

C.    No, the model must be evaluated with additional information

D.   None of the above are correct

Prof. Angela

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