Two Competitive Brothers, Who Work in Two Different Industries, Were

question 23

Multiple Choice

Two competitive brothers, who work in two different industries, were comparing their salaries. Because there is a difference of 4 years in their respective work experience, they decided to compare, not their actual salaries, but to compare their salaries against their company averages to see who is doing better. The following gives the brothers salaries, companies mean, and standard deviation for each company. What is the z-score of Andy's salary?

• A) - 1.29
• B) 1.29
• C) - 1.89
• D) 1.89

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Definitions:

Amelodic

Lacking a coherent melody or not based on traditional harmonic structures.

Subcontraries

In logic, two propositions that can both be true but cannot both be false, used particularly in the context of categorical propositions.

Contradictories

Logical opposites, where one statement denies the truth of the other statement.

Converses

In logic and mathematics, converses refer to statements in which the hypothesis and the conclusion of a conditional statement are swapped.