Mathematics, 10.01.2020 03:31 kimlyn58p0wyn0
You select a random sample of n=14 families in your neighborhood and find the following family sizes (number of people in the family)
15, 16, 19, 18, 17, 15, 16, 16, 15, 16, 15, 16. 17, 18
a. what is the best estimate for the mean family size for the population of all families in a country?
(round to the nearest tenth as needed)
b. what is the 95% confidence interval for the estimate?
__
(round to the nearest tenth as needed)
c. comment on the reliability of the estimate. choose the correct answer below.
the sample is unlikely to be very representative of all families in a country.
the sample is unlikely to be representative of all families in a country.
there is not enough data to make a conclusion.
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You select a random sample of n=14 families in your neighborhood and find the following family sizes...
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