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Author Question: Test H0 : 1 = 2 = 3 = 4 = 0 against H1 : At least one j 0, (j = 1, 2, 3, 4 ) at the 1 significance ... (Read 46 times)

Deast7027

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on: Jun 24, 2018
Test H0 : 1 = 2 = 3 = 4 = 0 against H1 : At least one j  0, (j = 1, 2, 3, 4 ) at the 1 significance level.
 
  What will be an ideal response?

Question 2

The average score of all students who took a particular statistics class last semester has a mean of 70 and a standard deviation of 3.0. Suppose 36 students who are taking the class this semester are selected at random.
 
  Find the probability that the average score of the 36 students exceeds 71.A) 0.0228
  B) 0.0772
  C) 0.1228
  D) 0.1772.


momo1250

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Reply #1 on: Jun 24, 2018
Answer to Question 1

Reject H0 if F > FK,n-K-1,. = F4,30,0.01 = 4.02.
Since F = 21.6, reject H0 at the 1 level. We conclude that at least one of the population regression coefficients is not zero.

Answer to Question 2

A


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