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Twenty-One Executives in a Large Corporation Were Randomly Selected to Study

question 81

Multiple Choice

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: $Twenty-one executives in a large corporation were randomly selected to study the effect of several factors on annual salary (expressed in $000s) . The factors selected were age, seniority, years of college, number of company divisions they had been exposed to, and the level of their responsibility. The results of the regression analysis follow: Test the hypothesis that the regression coefficient for age is equal to 0 at the 0.05 significance level. Report the critical value, the calculated test-statistic, and your decision. A) t-critical = \pm 2.131, t-calculated = -0.169, fail to reject. B) t-critical = \pm 2.131, t-calculated = -0.183, fail to reject. C) t-critical = \pm 1.753, t-calculated = -0.169, fail to reject. D) t-critical = \pm 1.753, t-calculated = -0.169, reject.$
Test the hypothesis that the regression coefficient for age is equal to 0 at the 0.05 significance level. Report the critical value, the calculated test-statistic, and your decision.

Definitions:

Identical Twins

Twins that result from a single fertilized egg dividing and developing into two individuals with almost entirely the same genetic makeup.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm cells, making them genetically unique from each other.

Adopted Children

Adopted children are those who have been legally taken into a family different from their birth parents, and raised as a member of that family.

Biological Parents

The individuals from whom one has inherited genetic material, typically referred to as a biological mother and father.