Question: 7.23. A recent GSS asked, How many days in the past 7 days have you felt sad? Software reported sample means of 1.8 for females

7.23. A recent GSS asked, "How many days in the past 7 days have you felt sad?" Software reported sample means of 1.8 for females and 1.4 for males, with a 95% confidence interval comparing them of (0.2, 0.6), a t statistic of 4.8, and a R-value of 0.000.

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