Exhibit 17

question 8

Essay

Exhibit 17.7.To examine the differences between salaries of male and female middle managers of a large bank,90 individuals were randomly selected and the following variables considered:
Salary = the monthly salary (excluding fringe benefits and bonuses),
Educ = the number of years of education,
Exper = the number of months of experience,
Gender = the gender of an individual;1 for males,and 0 for females.
The regression results for the models,
Model A: Salary = β₀ + β₁Educ + β₂Exper + β₃Gender + β₄Exper × Gender + ε,
Model B: Salary = β₀ + β₁Educ + β₂Exper + ε,are summarized below.

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Definitions:

Species

A fundamental classification in biology, denoting groups of organisms that can reproduce fertile offspring, sharing common characteristics and genetic similarity.

Homology

in biology, refers to traits or organs that have a common ancestry despite potentially having different functions, while in cultural studies it can refer to similarities in patterns or structures based on shared heritage.

Subspecies

A subdivision within a species, characterized by distinct genetic, morphological, or behavioral traits, often resulting from geographical isolation.

Genus

A rank in the biological classification system (taxonomy) that groups together species that are closely related, sharing a common ancestor.