Question: a) what is the point estimate for the mean difference? (to 3 decimal places) b)what is the standard error of the sample mean difference? )(to

a) what is the point estimate for the mean difference? (to 3 decimal places)

b)what is the standard error of the sample mean difference? )(to 3 decimals)

c)what is margin of error for 95% confidence interval for the mean difference? (3 decimals)

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