The paper "Undergraduate Marijuana Use and Anger" (J of Psych. (1988): 343-347) reported that the mean and standard deviation on an anger expression scale were X= 39.72 and s = 4.05, respectively, for a sample of n = 27 frequent marijuana users and X= 45.92 and s = 3.18, respectively, for a sample of n = 25 for non users. Do the data indicate that frequent users have a mean anger expression score that is lower than for nonusers? State and test the relevant hypotheses using a = 0.05.
The paper "Undergraduate Marijuana Use and Anger" (J of Psych. (1988): 343-347) reported that the mean and standard deviation on an anger expression scale were X= 39.72 and s = 4.05, respectively, for a sample of n = 27 frequent marijuana users and X= 45.92 and s = 3.18, respectively, for a sample of n = 25 for non users. Do the data indicate that frequent users have a mean anger expression score that is lower than for nonusers? State and test the relevant hypotheses using a = 0.05.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The paper "Undergraduate Marijuana Use and Anger" (J of Psych. (1988): 343-347) reported that the mean and standard deviation on an anger expression scale were X= 39.72 and s = 4.05, respectively, for a sample of n = 27 frequent marijuana users and X= 45.92 and s = 3.18, respectively, for a sample of n = 25 for non users. Do the data indicate that frequent users have a mean anger expression score that is lower than for nonusers? State and test the relevant hypotheses using a = 0.05.
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