Refer to the previous exercise. For the 397 males in the sample, the mean was 2.89 and
Question:
Refer to the previous exercise. For the 397 males in the sample, the mean was 2.89 and the standard deviation was 1.77.
(a) Show that the standard error of the sample mean is 0.089. 1
(b) Show that the 95% confidence interval for the population mean is (2.7.3.1), and explain what 95% confidence" means.
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Related Book For
Statistical Methods For The Social Sciences
ISBN: 9780130272959
4th Edition
Authors: Alan Agresti, Barbara Finlay
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