Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 3.2 inchés. A baseball analyst baseball players is less than 3.2 inches. The heights (in inches) of 20 randomly selected players are shown in the table. A Click the icon to view the data table. Test the notion at the a=0.01 level of significance. What are the correct hypotheses for this test? The null hypothesis is H: V3.2 The alternative hypothesis is H, 3.2.

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Calculate test statistic Calculate the p value Correct conclusion
Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 3.2 inches. A baseball analyst wonders whether the standard deviation of heights of major-league
baseball players is less than 3.2 inches. The heights (in inches) of 20 randomly selected players are shown in the table.
A Click the icon to view the data table.
Test the notion at the a = 0.01 level of significance.
What are the correct hypotheses for this test?
The null hypothesis is Ho: 3.2.
3.2
The alternative hypothesis is H,
Transcribed Image Text:Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 3.2 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 3.2 inches. The heights (in inches) of 20 randomly selected players are shown in the table. A Click the icon to view the data table. Test the notion at the a = 0.01 level of significance. What are the correct hypotheses for this test? The null hypothesis is Ho: 3.2. 3.2 The alternative hypothesis is H,
72 74 71 72 76
70 77 76 72 72
77 72 75 70 73
74 75 73 74 73
Transcribed Image Text:72 74 71 72 76 70 77 76 72 72 77 72 75 70 73 74 75 73 74 73
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