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OpenStudy (anonymous):
You are given the following information obtained from a random sample of 4 observations from a large, normally distributed population. 25 47 32 56 a. What is the point estimate of mu? b. Construct a 95% confidence interval for mu. c. Construct a 90% confidence interval for mu.
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OpenStudy (anonymous):
point estimate... means just an estimate right? so what would you say the 'middle point' of the 4 numbers given?
OpenStudy (anonymous):
its 40. now how would i construct a 95% confidence interval for mu?
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