A Researcher Selects a Pair of Random Samples

question 106

Short Answer

A researcher selects a pair of random samples. In Group 1 the scores are 14, 10, 10, 9, 8, 6, 4. In Group 2 the scores are 12, 10, 6, 5, 4, 2, 2.
a. Find the t ratio
b. As a two-tail t, should Ho be rejected? If rejected, state the probability of the alpha error.
c. Do the two groups represent a single population?

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Definitions:

Merchant

An individual or business engaged in the selling of goods, especially on a large scale or with specialized knowledge.

Occupation

A person's principal job or business, especially as a means of earning a living.

Usage Of Trade

Established customs and practices in a particular industry that are considered to be an understood part of business agreements.

Sequence

An ordered list or arrangement of items, events, or actions following a specific logical or systematic pattern.