Do earthquakes affect people's self-confidence?
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Do people who have experienced an earthquake have more or less self-confidence than the general population? (a) indicate what two populations are being compared, (b) state the research hypothesis, (c) state the null hypothesis, and (d) say whether you should use a one-tailed or two-tailed test and why.
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Solution Summary
The research hypothesis and the null hypothesis are demonstrated. In addition, one-tailed or two-tailed test are determined.
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a) Population 1: People who experience earthquakes; Population 2: General Population.
(b) Research hypothesis: ...
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