the mean age when people got married for the first time in the year 2000 was 26 years old with a population standard deviation of 6.4 years. A researcher thinks that marriage age has significantly changed since then. A survey of married persons of this generation was done to see if the mean age has changed. The sample of 48 married persons found that their mean age of first marriage was 29.3 years old. Do the data support the claim at the 10% significance level? What are the correct hypotheses? H0: years Ha: years Based on the hypotheses, find the following: Test Statistic z = (Give answer to at least 4 decimal places) P-Value= (Give answer to at least 4 decimal places) Based on the above we choose to The correct summary would be: that the current mean age of first marriage is different than 26.
the mean age when people got married for the first time in the year 2000 was 26 years old with a population standard deviation of 6.4 years. A researcher thinks that marriage age has significantly changed since then. A survey of married persons of this generation was done to see if the mean age has changed. The sample of 48 married persons found that their mean age of first marriage was 29.3 years old. Do the data support the claim at the 10% significance level?
What are the correct hypotheses?
H0: years
Ha: years
Based on the hypotheses, find the following:
Test Statistic z = (Give answer to at least 4 decimal places)
P-Value= (Give answer to at least 4 decimal places)
Based on the above we choose to
The correct summary would be: that the current mean age of first marriage is different than 26.
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