Essay
A random sample of 100 families in a large city revealed that on the average these families have been living in their current homes for 35 months. From previous analyses, we know that the population standard deviation is 30 months.
Can we conclude at the 5% significance level that the true mean number of months families in this city have been living in their current homes is at least 30 months?
Correct Answer:

Verified
H0: μ = 30
HA: μ > 30
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Correct Answer:
Verified
HA: μ > 30
Test sta...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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