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(Steps Shown) To examine gender differences in times spent for exercise, two samples of 89 men and 92 women were selected. On the average, women do 7.90 hours

Question: To examine gender differences in times spent for exercise, two samples of 89 men and 92 women were selected. On the average, women do 7.90 hours exercise per week with a standard deviation of 0.90 and men do 7.40 hours exercise per week with a standard deviation of 1.2. At 95%, is the difference statistically significant? Set up the hypotheses and state important decisions.

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