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January 31, 2015

January 31, 2015

Posted by **Katie** on Friday, November 8, 2013 at 7:21pm.

Does the confidence interval support the researcher's claim that the girls' mean score differs from the boys' mean score?

A) No, since the confidence interval does not include 72 we can say that we have insufficient evidence that the girls' mean score differs from the boys.

B) Yes, since the confidence interval does not include 72 we can say that we have evidence that the girls' mean score differs from the boys..

C) No, since the confidence interval does not include 72 we can say that we have sufficient evidence that the girls' mean score differs from the boys.

D) Yes, since the interval is so narrow we are certain that the girls score differently from the boys.

E) There is insufficient information to draw a conclusion.

- Statistics -
**Kuai**, Friday, November 8, 2013 at 11:38pmSo 72 is not in interval.

answer A.

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