A Researcher Randomly Sampled 30 Graduates, 18 Males and 12

question 100

Multiple Choice

A researcher randomly sampled 30 graduates, 18 males and 12 females, of an MBA program and
Recorded data concerning their starting salaries.Of primary interest to the researcher was the
Effect of gender on starting salaries.Statistics of the mean salaries of the females and males in
The sample were computed.The sample standard deviations suggest that the variability of
Starting salaries of the two groups is almost the same.Suppose the starting salaries from both
Groups can be considered as normally distributed.Which of the following tests will be the most
Appropriate?

• A) Pooled-variance t test.
• B) Separate-variance t test.
• C) Paired t test.
• D) Wilcoxon rank sum test.

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Definitions:

Statistical Analysis

The process of collecting, examining, interpreting, and presenting numerical data to discover underlying patterns and trends.

Starting Salaries

The initial compensation offered to employees when they commence their positions, often influenced by factors such as industry, location, and experience.

T-test

A type of inferential statistic used to determine if there is a significant difference between the means of two variables, often used when the data sets would follow a normal distribution and have a known standard deviation.

Dependent Means

Pertains to a statistical analysis involving paired or matched samples, comparing the means between two related groups.