Chapter 10.3, Problem 2LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

A research report states that there is a significant difference between treatments for an independent-measures design with *t*(28) = 2.27.

a. How many individuals participated in the research study? (*Hint:* Start with the *df* value.)

b. Should the report state that *p >* .05 or *p* < .05?

**a.**

To determine

**To find:** The number of individuals participated for the study based on the report.

Explanation

**Given info:**

The research report is states that there is a significant difference between treatments for an independent- measures design with

**Calculation:**

For an independent measure t-test, the degrees of freedom is given as:

**b.**

To determine

**To find:** whether the report should state that

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