H. Which is the correct hypothesis to test this claim?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A study suggests that the average age of first marriages is 25 year old. You believe that
this is incorrect and decide to collect your own sample for a hypothesis test. From a
random sample of size 776, you find that the sample average age of first marriages is
24.72 years old. Which is the correct hypothesis to test this claim?
O Ho:
= 25, Ha:
25
Ho:
H # 25
Ha
H = 25
Ho:
x = 25
Ha
x < 25
O Ho:
x= 25
,Ha
x25
Transcribed Image Text:A study suggests that the average age of first marriages is 25 year old. You believe that this is incorrect and decide to collect your own sample for a hypothesis test. From a random sample of size 776, you find that the sample average age of first marriages is 24.72 years old. Which is the correct hypothesis to test this claim? O Ho: = 25, Ha: 25 Ho: H # 25 Ha H = 25 Ho: x = 25 Ha x < 25 O Ho: x= 25 ,Ha x25
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