Preliminary Data Analyses Indicate That It Is Reasonable to Use $132 \mathrm { lb }$

question 4

Essay

Preliminary data analyses indicate that it is reasonable to use a t-test to carry out the specified hypothesis test. Performthe t-test using the P-value approach.
-Test whether the mean weight of female college students differs from $132 \mathrm { lb }$ . The mean weight for a random sample of 20 female college students was $\overline { \mathrm { x } } = 137 \mathrm { lb }$ with a standard deviation, s, of $14.2 \mathrm { lb }$ . Use a significance level of $\alpha = 0.1$ .

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