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  3. according to the 2010 us census, the average numbe

According to the 2010 US Census, the average number of residents per housing unit for the n=87...

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Question

Basic Math

According to the 2010 US Census, the average number of residentsper housing

unit for the n=87 counties in Minnesota was 2.10, and thestandard deviation

was 0.38. Test whether the true mean number of residents perhousing unit

in Minnesota in 2010 is less than the national value of 2.34 atthe level

?

= 0

.

05.

a. Show all five steps of this test.

b. What type of error could we be making in this context?

c. What is the minimum average number of residents per householdneeded

in order to fail to reject H0? Assume the sample standarddeviation is the same.

d. Suppose the true number of residents per household inMinnesota is normally

distributed with a mean of 2.0 and a standard deviation of 0.4.Suppose we reject

the null hypothesis if the sample means the number of residentsis less than 2.27. What

is the probability of making a type II error?

Answer & Explanation Solved by verified expert
4.0 Ratings (622 Votes)
aClaim Mean number of residents per    See Answer
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