you are interested in whether excess risk-adjusted return (alpha) is correlated with mutual fund expense ratios for uS large-cap growth funds. The following table presents the sample. Mutual Fund. 1 2 3 4 5 6 7 8 9   -0.52 -0.13 -0.6 -1.01 -0.26 -0.89 -0.42 -0.23 -0.6 Alpha(X)                                       Expense Ratio 1.34 0.92 1.02 1.45 1.35 0.5 1 1.5 1.45                       Formulate null and alternative hypotheses consistent with the verbal description of the research goal. identify the test statistic for conducting a test of the hypotheses in Part a. Justify your selection in Part b. D. Determine whether or not to reject the null hypothesis at the 0.05 level of signifi- cance.

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. you are interested in whether excess risk-adjusted return (alpha) is correlated with mutual

fund expense ratios for uS large-cap growth funds. The following table presents the sample.

Mutual Fund.

1

2

3

4

5

6

7

8

9

 

-0.52

-0.13

-0.6

-1.01

-0.26

-0.89

-0.42

-0.23

-0.6

Alpha(X)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expense Ratio

1.34

0.92

1.02

1.45

1.35

0.5

1

1.5

1.45

 

 

 

 

 

 

 

 

 

 

 

  1. Formulate null and alternative hypotheses consistent with the verbal description of the research goal.
  2. identify the test statistic for conducting a test of the hypotheses in Part a.
  3. Justify your selection in Part b. D. Determine whether or not to reject the null hypothesis at the 0.05 level of signifi-

cance.

 

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