Statistics homework


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Q1. A random sample of 90 observations produced a mean x ¯ =25.9 and a standard deviation s=2.7. Find a 95 % confidence interval for the popula- tion mean µ. Q3. A random sample of size n=121 yielded pˆ=.88. Construct a 90 % confi- dence interval for p. Q5. In each case, find the approxim... Mar 10 2011 09:11 PM


Solution ID:609105 | This paper was updated on 26-Nov-2015

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