Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

9th Edition

ISBN: 9781337098120

Author: Frederick J Gravetter, Larry B. Wallnau, Lori-Ann B. Forzano

Publisher: Cengage Learning

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Concept explainers

Inverse Normal Distribution

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…

Mean, Median, Mode

It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…

Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…

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Textbook Question

Chapter 12.2, Problem 1LC

For an analysis of variance, the differences between the sample means contribute to the ______ and appears in the of the _____ ratio.

a. variance between treatments, numerator
b. variance between treatments, denominator
c. variance within treatments, numerator
d. variance within treatments, denominator

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Chapter 12.1, Problem 3LC

Chapter 12.2, Problem 2LC

Chapter 12 Solutions

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Ch. 12.1 - How many levels are there in a single-factor...Ch. 12.1 - When is the distinction between the testwise alpha...Ch. 12.1 - Which of the following accurately describes the...Ch. 12.2 - For an analysis of variance, the differences...Ch. 12.2 - What is suggested by a large value for the F-ratio...Ch. 12.3 - An analysis of variances produces dfbetween...Ch. 12.3 - An analysis of variance is used to evaluate the...Ch. 12.3 - A research study compares three treatments with n...Ch. 12.4 - A researcher uses analysis of variance to test for...Ch. 12.4 - The following table shows the results of an...

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For an analysis of variance, the differences between the sample means contribute to the __ and appears in the of the _ ratio. a. variance between treatments, numerator b. variance between treatments, denominator c. variance within treatments, numerator d. variance within treatments, denominator

Solution Summary: The author explains that the correct option is a. variance between treatments, numerator.

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Chapter 12 Solutions