Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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