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A survey is conducted on attitudes toward smoking with the aim to investigate the difference in smoking attitudes within married couples. A random sample of
A survey is conducted on attitudes toward smoking with the aim to investigate the difference in smoking attitudes within married couples. A random sample of 100 married couples is selected, and the husbands and wives respond to an attitude-toward-smoking scale.
a) What are H0 and Ha? Is Ha one-tailed or two-tailed?
b) What specific test should we use?
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