People tend to evaluate the quality of their lives relative to others around them. In a demonstration
Question:
a. Calculate the mean and standard deviation for the sample.
b. Are the data sufficient to conclude that the people in this sample are significantly more satisfied than others in the general population? Use a one-tailed test with α = .05.
c. Compute Cohen's d to estimate the size of the effect.
d. Compute the 90% confidence interval for the mean life-satisfaction score for people who participate in this type of interview.
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Related Book For
Statistics For The Behavioral Sciences
ISBN: 9781111830991
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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