Solved: Find the critical value at the 01 level decide if the null, Basic Statistics

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Find the critical value at the 01 level decide if the null

You may use the excel spreadsheet to find the following for the ANOVA test.

Professor Brainfail has 3 classes and took sample of test scores from each class and found the following results. He wanted to know if there are any differences between the three at the .01 level.

Class 1 Class 2 Class 3

80 80 78

76 90 82

83 93 85

87 72 87

90 82 82

a. State the null and alternate hypothesis.

b. Find the SS_TOT, SS_BET, SS_W

c. Find d.f. _BET and d.f. _W

d. Find MS_BET, and MS_W

e. Find the F ratio

f. Find the critical value at the .01 level

g. Decide if the null hypothesis is to be rejected or not

h. Make a summary table for your ANOVA test.

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Basic Statistics: Find the critical value at the 01 level decide if the null

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Basic Statistics: Find the critical value at the 01 level decide if the null

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