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Author Question: A marketing research company is estimating which of two soft drinks college students prefer. A ... (Read 114 times)

schs14

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Question 1

The following sample of 16 measurements was selected from a population that is approximately normally distributed.



Construct a 90% confidence interval for the population mean.

Question 2

A marketing research company is estimating which of two soft drinks college students prefer. A random sample of 157 college students produced the following confidence interval for the proportion of college students who prefer drink Is this a large enough sample for this analysis to work?
◦ Yes, since n = 157 (which is 30 or more).
◦ Yes, since both n ≥ 15 and n ≥ 15.
◦ No.
◦ It is impossible to say with the given information.


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Marked as best answer by schs14 on Feb 14, 2020

fur

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schs14

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)


ttt030911

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Reply 3 on: Yesterday
Excellent

 

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