Use the Traditional Method to Test the Given Hypothesis $2.9$ Use A Method

question 79

Essay

Use the traditional method to test the given hypothesis. Assume that the population is normally distributed and that the sample has been randomly selected.
-Heights of men aged 25 to 34 have a standard deviation of $2.9$ . Use a $0.05$ significance level to test the claim that $t$ heights of women aged 25 to 34 have a different standard deviation. The heights (in inches) of 16 randomly selec women aged 25 to 34 are listed below.
$$\begin{array} { l l l l l l l l } 62.13 & 65.09 & 64.18 & 66.72 & 63.09 & 61.15 & 67.50 & 64.65 \\63.80 & 64.21 & 60.17 & 68.28 & 66.49 & 62.10 & 65.73 & 64.72\end{array}$$

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