Let X 1 ,,X 9 be a random sample from a N(, 1) distribution, where is
Question:
Let X1,…,X9 be a random sample from a N(μ, 1) distribution, where μ is unknown. Suppose that we have observed the following values 16.34, 18.57, 18.22, 16.94, 15.98, 15.23, 17.22, 16.54, 17.54
We would like to decide between
a. Find a 90% confidence interval around X̅. Is μ0 included in the interval? How does this relate to our hypothesis test?
b. Define a test statistic to test the hypotheses and draw a conclusion assuming α = 0.1.
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Step by Step Answer:
a To find a 90 confidence interval for the population mean we can use the sample mean and the fact t...View the full answer
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Related Book For 
Introduction To Probability Statistics And Random Processes
ISBN: 9780990637202
1st Edition
Authors: Hossein Pishro-Nik
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