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 2.6 inches. A baseball analyst wonders whether the standard deviation of heights of​ major-league baseball players is less than 2.6 inches. The heights​ (in inches) of 2020 randomly selected players are shown in the table. LOADING... Click the icon to view the data table. Test the notion at the alpha equals 0.05α=0.05 level of significance.   What are the correct hypotheses for this​ test?   The null hypothesis is H0​: ▼   sigmaσ muμ pp ▼   not equals≠ equals= greater than> less than< 2.6 The alternative hypothesis is H1​: ▼ sigmaσ muμ pp ▼  not equals≠ greater than> less than< equals= 2.6 Data Table 72 74 71 73 76 70 77 76 72 72 77 72 75 70 73 74 75 73 74 74

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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
2.6
inches. A baseball analyst wonders whether the standard deviation of heights of​ major-league baseball players is less than
2.6
inches. The heights​ (in inches) of
2020
randomly selected players are shown in the table.
LOADING...
Click the icon to view the data table.
Test the notion at the
alpha equals 0.05α=0.05
level of significance.
 
What are the correct hypotheses for this​ test?
 
The null hypothesis is
H0​:
 
sigmaσ
muμ
pp
 
not equals≠
equals=
greater than>
less than<
2.6
The alternative hypothesis is
H1​:
sigmaσ
muμ
pp
▼ 
not equals≠
greater than>
less than<
equals=
2.6
Data Table
72 74 71 73 76
70 77 76 72 72
77 72 75 70 73
74 75 73 74 74
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