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 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league aseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table. A Click the icon to view the data table. - X est the notion at the a=0.10 level of significance. Data table Vhat are the corect hypotheses for this test? The null hypothesis is H 2.9. The altemative hypothesis is H, 72 74 71 72 76 70 77 75 72 72 77 72 75 70 73 74 75 73 74 74 2.9 calculate the value of the test statistic. 2-(Round to three decimal places as needed.) se technology to determine the P-value for the test statistic

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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 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league
baseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table.
Click the icon to view the data table.
Test the notion at the a= 0.10 level of significance.
Data table
What are the correct hypotheses for this test?
The null hypothesis is H,:
2.9.
72 74 71 72 76
70 77 75 72 72
77 72 75 70 73
74 75 73 74 74
The alternative hypothesis is H,:
2.9.
Calculate the value of the test statistic.
x2 (Round to three decimal places as needed.)
x².
Use technology to determine the P-value for the test statistic.
The P-value is
Print
Done
(Round to three decimal places as needed.)
What is the correct conclusion at the a 0.10 level of significance?
Since the P-value is
than the level of significance,
the null hypothesis. There
sufficient evidence to conclude that the standard deviation of heights of major-league baseball players is less than 2.9 inches at the
0.10 level of significa
greater
less
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 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table. Click the icon to view the data table. Test the notion at the a= 0.10 level of significance. Data table What are the correct hypotheses for this test? The null hypothesis is H,: 2.9. 72 74 71 72 76 70 77 75 72 72 77 72 75 70 73 74 75 73 74 74 The alternative hypothesis is H,: 2.9. Calculate the value of the test statistic. x2 (Round to three decimal places as needed.) x². Use technology to determine the P-value for the test statistic. The P-value is Print Done (Round to three decimal places as needed.) What is the correct conclusion at the a 0.10 level of significance? Since the P-value is than the level of significance, the null hypothesis. There sufficient evidence to conclude that the standard deviation of heights of major-league baseball players is less than 2.9 inches at the 0.10 level of significa greater less
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 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league
baseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table.
Click the icon to view the data table.
Test the notion at the a 0.10 level of significance.
Data table
What are the correct hypotheses for this test?
The null hypothesis is H,:
2.9.
The alternative hypothesis is H,:
2.9.
72 74 71 72 76
70 77 75 72 72
77 72 75 70 73
74 75 73 74 74
Calculate the value of the test statistic.
x2 = (Round to three decimal places as needed.)
Use technology to determine the P-value for the test statistic.
The P-value is
(Round to three decimal places as needed.)
Print
Done
What is the correct conclusion at the a 0.10 level of significance?
Since the P-value is
than the level of significance,
the null hypothesis. There
sufficient evidence to conclude that the standard deviation of heights of major-league baseball players is less than 2.9 inches at the
0.10 level of significance.
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 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table. Click the icon to view the data table. Test the notion at the a 0.10 level of significance. Data table What are the correct hypotheses for this test? The null hypothesis is H,: 2.9. The alternative hypothesis is H,: 2.9. 72 74 71 72 76 70 77 75 72 72 77 72 75 70 73 74 75 73 74 74 Calculate the value of the test statistic. x2 = (Round to three decimal places as needed.) Use technology to determine the P-value for the test statistic. The P-value is (Round to three decimal places as needed.) Print Done What is the correct conclusion at the a 0.10 level of significance? Since the P-value is than the level of significance, the null hypothesis. There sufficient evidence to conclude that the standard deviation of heights of major-league baseball players is less than 2.9 inches at the 0.10 level of significance.
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