In Performing a Chi-Square Goodness-Of-Fit Test for a Normal Distribution

question 72

Multiple Choice

In performing a chi-square goodness-of-fit test for a normal distribution, if there are 7 intervals, then the number of degrees of freedom for the chi-square statistic is ________.

• A) 7
• B) 3
• C) 4
• D) 6

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Definitions:

The Introduction

A preliminary section in a book or article that provides an overview of the content and objectives.

External Validity

The extent to which the results of a study can be generalized to other settings, populations, and times.

Confounding Variables

Confounding variables are factors other than the independent variable that may cause or influence the outcome of a study, potentially leading to misleading conclusions.

Day Shift

The period during which work is carried out primarily during daylight hours, often considered as roughly from 8 am to 6 pm.