A Researcher Obtains T = 2

question 19

Multiple Choice

A researcher obtains t = 2.25 for a repeated-measures study using a sample of n = 10 participants.Based on this t value,what is the correct decision for a two-tailed test?

• A)Reject the null hypothesis with α = .05 but not with α = .01
• B)Reject the null hypothesis with both α = .05 and α = .01
• C)Fail to reject the null hypothesis with both α = .05 and α = .01
• D)Cannot make a decision without additional information

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Definitions:

Monopolistic Competition

A market structure where many companies sell products that are similar but not identical, allowing them some power to set prices.

Oligopoly

A distinct form of market where only a few companies have significant influence over industry prices and competition.

Herfindahl Index

A measure of market concentration used to determine the competitive landscape by summing the squares of the market shares of all firms in the industry.

Market Shares

The segment of a market dominated by a specific company or product, usually represented as a percentage.