2 a.Will be rejected and conclude that monthly salary is related to all of the i

Question

2

a.Will be rejected and conclude that monthly salary is related to all of the independent variables

b.Will be rejected and conclude that monthly salary is related to at least one of the independent variables

c.Will not be rejected

d.Will show a high multiple coefficient of determination

please choose the correct answer.

3

a.Age

b.Seniority

c.Level of responsibility

d.Annual salary

please choose the correct answer.

4

The coefficient of determination measures the proportion of ____________.

a.Explained variation relative to total variation

b.Variation due to the relationship among variables

c.Error variation relative to total variation

d.Variation due to regression

please choos the correct answer.

ANOVA df Sum of Squares Mean Square F Source of Variation 3 Regression 1004346.771 334782.257 5.96 Residual 26 Total 29 246 48 1.367 1461134.596 56197.48445 t Stat p-value Coefficients Standard Error 784.92 322.25 2.44 0.02 Intercept 3.20 Service 2.87 0.01 Gender 222.78 89.00 2.50 0.02 89.61 Job -0.31 0.76 -28.21

Explanation / Answer

Result:

Based on the ANOVA and a 0.05 significance level, the global null hypothesis test of the multiple regression model _

Calculated F=5.96 > Critical f value 2.975

a.Will be rejected and conclude that monthly salary is related to all of the independent variables

answer:b.Will be rejected and conclude that monthly salary is related to at least one of the independent variables

c.Will not be rejected

d.Will show a high multiple coefficient of determination

please choose the correct answer.

3

Twenty-one executives in a large corporation were randomly selected to study the effect of several factors on annual salary (expressed in $000s). The factors selected were age, seniority, years of college, number of company divisions they had been exposed, to and the level of their responsibility. The results of the regression analysis follow:

Which one of the following is the dependent variable?

a.Age

b.Seniority

c.Level of responsibility

Answer: d.Annual salary

please choose the correct answer.

4

The coefficient of determination measures the proportion of ____________.

Answer: a.Explained variation relative to total variation

b.Variation due to the relationship among variables

c.Error variation relative to total variation

d.Variation due to regression

please choos the correct answer.

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