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StatisticsStatistics for The Behavioral Sciences (MindTap Course List)A random sample of n = 16 scores is obtained from a population with a mean of μ = 45 . After a treatment is administered to the individuals in the sample, the sample mean is found to be M = 49.2 . a. Assuming that the sample standard deviation is s = 8 , computer r 2 and the estimated Cohen’s d to measure the size of the treatment effect. b. Assuming that the sample standard deviation is s = 20 . computer r 2 and the estimated Cohen’s d to measure the size of the treatment effect. c. Comparing your answers from parts a and b , how does the variability of the scores in the sample influence the measures of effect size?BuyFind*arrow_forward*

10th Edition

Frederick J Gravetter + 1 other

Publisher: Cengage Learning

ISBN: 9781305504912

Chapter 9, Problem 18P

Textbook Problem

A random sample of

a. Assuming that the sample standard deviation is
*d *to measure the size of the treatment effect.

b. Assuming that the sample standard deviation is
*d *to measure the size of the treatment effect.

c. Comparing your answers from parts *a *and *b*, how does the variability of the scores in the sample influence the measures of effect size?

Statistics for The Behavioral Sciences (MindTap Course List)

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