#2 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 2.5 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.5 inches. The heights (in inches) of 20 randomly selected players are shown in the table.7274717276707774727277737570737475737474Test the notion at the alpha equals 0.01 level of significance.What are the correct hypotheses for this test?The null hypothesis is H0The alternative hypothesis is H1Calculate the value of the test statistic X2=What is the correct conclusion at the alpha equals 0.01 level of significance?

Name: #2 Data show that men between the ages of 20 and 29 in a general popul
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Description: #2 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 2.5 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball pl

2 State the hypotheses. That is, there is no evidence that the true standard deviation of heights…

Answered: #2 Data show that men between the ages…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 2.5 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.5 inches. The heights (in inches) of 20 randomly selected players are shown in the table.

72	74	71	72	76
70	77	74	72	72
77	73	75	70	73
74	75	73	74	74

Test the notion at the alpha equals 0.01 level of significance.
What are the correct hypotheses for this test?

The null hypothesis is H0

The alternative hypothesis is H1

Calculate the value of the test statistic X²=

What is the correct conclusion at the alpha equals 0.01 level of significance?

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