Question: Provide and interpret a 95% confidence interval for the difference in the population mean college GPA between Facebook users and non-Facebook users. R studio results:

Provide and interpret a 95% confidence interval for the difference in the population mean college GPA between Facebook users and non-Facebook users.

R studio results:

data: GPA by user t = 6.9847, df = 158.03, p-value = 7.492e-11

alternative hypothesis: true difference in means between group No and group Yes is not equal to 0

95 percent confidence interval: 0.3860271 0.6904143

sample estimates:

mean in group No mean in group Yes 3.623824 3.085603

95 percent confidence interval: 3.177299 3.344137

I am confused as to what I am doing or supposed to do.

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