Refer to the computer attitude scores (CAS) of students given in Table D.4 of the Data Bank.
Question:
(a) What is the conclusion to testing the equality of mean computer attitude scores at level a = .05?
(b) Find a 95% confidence interval for the mean attitude score for males minus the mean attitude score for females.
(c) Test the null hypothesis that, on average, males score.1 lower than females against a two-sided alternative. Take α = .05.
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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