(Steps Shown) You are given the following information obtained from a random sample of 5 observations. 20 18 17 22 18 At a 10% level of significance, use
Question: You are given the following information obtained from a random sample of 5 observations.
20 18 17 22 18
At a 10% level of significance, use Excel to determine whether or not the mean of the population from which this sample was taken is significantly less than 21. (Assume the population is normally distributed.)
Deliverable: Word Document 
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Do You Know How to Compute Confidence Intervals? - MathCracker.com