A Researcher Randomly Sampled 30 Graduates,18 Males and 12 Females,of

question 175

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:

Partial Deliveries

In commercial transactions, the act of delivering a portion of goods distinct from the total quantity stipulated in a contract, often subject to agreement by the involved parties.

Late Delivery

The act of failing to deliver goods or complete a service by the agreed-upon or expected time.

Cancel the Contract

The act of formally terminating a contractual agreement, either through mutual consent of the parties involved or due to the breach of contract terms by one party.

Duty to Pay

An obligation imposed on an individual or entity to make a payment to another as required by law or contract.