steps and explination please. QUESTION 17 Suppose there are 4 numerator degrees

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steps and explination please.

QUESTION 17 Suppose there are 4 numerator degrees of freedom and 30 denominator degrees of freedom. What is the critical F value for a test at the.05 level of significance? Answer to four decimal places if needed. QUESTION 18 Suppose there are 4 treatments or groups for which you are going to test the hypothesis that all groups have the same mean. Suppose also that you have 10 observations for each group (40 total). What is the critical F value for a test at the.05 level of significance? Answer to four decimal places if needed

Explanation / Answer

Q17) We can use F table or excel function to find the critical values

Use excel function

F.INV(0.95,4,30)

= 2.6896

Q18)Use excel function

F.INV(0.95,3,36)

= 2.8663

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