12. What is the critical value for the test in question 10 using = 0.05? I have

Question

12. What is the critical value for the test in question 10 using = 0.05?

I have 2.84 as the answer in my notes, how do you go about finding this value, will we be using a f-table?

Quetion 10) We wish to model the salary (Y) of architects at a specific firm based on their years of What are the hypotheses being tested to see if the squared terms and the interaction term are significant to the model when taken together? (Partial F test) a) Ho: B1- A2 B3 0 vs. Ha: at least one B #0 b) Ho: B1 B2 B3 B4 B5 0 vs. Ha: at least one B#0 partial ftest c) Hin: Bn 0 vs. Ha: Bo #0 4.40 d) Ho: B3 B4 B5 -0 vs. Ha at least one B #0

Explanation / Answer

The criitcal value of F is 28165

Since In F, df1 = number of coefficients are equal to zero i.e. 3

df2 = n - number of variables = 50 - 6 = 44

In Excel,

=FINV(0.05,3,50-6)

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