Solution) a) From the information given here, determine the 95% confidence interval estimate of the population
Question:
a) From the information given here, determine the 95% confidence interval estimate of the population mean.
| Xbar = 100 | σ = 20 | n = 25 |
b) Repeat part (a) with xbar = 200.
c) Repeat part (a) with xbar = 500
d) Describe what happens to the width of the confidence interval estimate when the sample mean increases.
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