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

question 32

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 Tom's salary?

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

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Definitions:

Superclass

The class from which other classes inherit properties and methods in object-oriented programming.

Shape

In programming, particularly in graphics and design, an entity or object that represents a geometric figure.

Circle

A geometrical shape consisting of all points in a plane that are a certain distance from a given point, the center.

Square

In mathematics, a square refers to a polygon with four equal sides and four right angles. In programming, it often involves multiplying a number by itself.