If a mean difference is 5,the estimated standard error of a mean difference is 4 and the nondirectional critical value of t for an alpha level of 0.05 is 2,what is the 95% confidence interval for the mean difference
A)1 to 9
B)3 to 7
C)-3 to 13
D)-1 to 11

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The Answer of If a mean difference is 5,the estimated standard error of a mean difference is 4 and the nondirectional critical value of t for an alpha level of 0.05 is 2,what is the 95% confidence interval for the mean difference
A)1 to 9
B)3 to 7
C)-3 to 13
D)-1 to 11

If a Mean Difference Is 5,the Estimated Standard Error of a Mean