Consider the Following Set of Salary Data Calculate the Appropriate Test Statistic for a Test About

question 91

Short Answer

Consider the following set of salary data: $\begin{array}{lrr}\hline & \text { Men (1) } & \text { Women (2) } \\\hline \text { Sample Size } & 100 & 80 \\\text { Mean } & \$ 12,850 & \$ 13,000 \\\text { Standard Deviation } & \$ 345 & \$ 500 \\\hline\end{array}$

Calculate the appropriate test statistic for a test about $\mu _ { 1 } - \mu _ { 2 }$ .
A) $z = - 2.28$
B) $z = - 2.45$
C) $z = - 2.81$
D) $z = - 3.02$

• A) \(z = - 2.28\)
• B) \(z = - 2.45\)
• C) \(z = - 2.81\)
• D) \(z = - 3.02\)

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Definitions:

Formula

A mathematical expression that defines a relationship between multiple variables.

Variability

Refers to how spread out or scattered the values in a data set are, indicating the degree of dispersion from the average.

Scores

Quantitative or qualitative values assigned to individuals or items for the purpose of evaluation or comparison.

Greatest

Refers to the highest in degree or quality in a given set or category.