only 6.10.1 My question is how to write the second and third regression? I only

Question

only 6.10.1

My question is how to write the second and third regression? I only know how to do the first part.

1= Null Hypothesis: quality~gender+numYears+pepper+discipline+easiness+raterInterest.

Alternative Hypothesis: quality~gender+pepper+discipline+easiness+raterInterest

2- Null hypothesis:??

Alternative :??

3- ?

. Thanks

ematieS. of the easiness of the coulse, final predictor is pepper, a factor with levels no and yes means that the consensus is that the instructor is phys 0f een 5.5). Data are tive. The variables helpfulness and clarity haverc since these are essentially the same as quality (Section &sl; excluded included for n = 366 professors. 6.10.1 Fit the first-order regression model quality-gend numYears + pepper + discipline +easin raterInterest, and print the summ estimates. Suppose that is the coefficient for numYears. Provide a test and significance level for the following three hypothesis tests: (1) NH : = 0 versus AH : 20; (2) NH : A = 0 versus AH : AS0; (1) NH : 2-0 versus AH : A 0. ary table of coefficient 6.10.2 Obtain the Type II analysis of variance table. Verify that the F-tests in the table are the squares of the t-tests in the regression coefficient table, with the exception of the tests for the dummy regressors for discipline. Summarize the results of the tests

Explanation / Answer

Please note that the regression equation is formed as
quality~gender+numYears+pepper+discipline+easiness+raterInterest

Here Beta 2 refers to the coefficient of numYears,
so we are checking

H0 : The slope of num of years is zero
H1 : The slope of num of years is less than equal to zero

3)
In the second case ,

Here Beta 2 refers to the coefficient of numYears,
so we are checking

H0 : The slope of num of years is zero
H1 : The slope of num of years is greater than equal to zero

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