If you want to compute a 80 92 or 98 confidence interval


1. Explain the meaning of a .95 confidence interval.

2. If you want to compute a .80, .92, or .98 confidence interval for µ when σ is known, and sampling is from a normal distribution, what values for c should you use in given Equation?

(X‾- c (σ / √n) X‾ + c (σ / √n)

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Basic Statistics: If you want to compute a 80 92 or 98 confidence interval
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