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How do i do this stats question on Confidence Intervals (CI)?
Can someone please show me how to answer the following question.
A random sample of 18 observations from a normal population with unknown mean μ gives the following summary:
18 18
∑i=1 xi = 316.9 and ∑i=1 xi^2 = 5591.83
Update:
THE OTHER 18 SHOULD BE ON TOP OF THE OTHER SIGMA SYMBOL
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