Question

Repeat part (a) using a 95% confidence level.

Solution

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Answered 5 months ago
Answered 5 months ago
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Here are the steps to compute the confidence interval for the population mean (μ\mu) using the spreadsheet:

  1. Click MegaStat Add-in
  2. Choose Confidence Interval / Sample Size
  3. Choose Confidence Interval: mean
  4. Input the xˉ\bar{x}, σ\sigma, and nn.
  5. Input the confidence level
  6. Click Preview

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