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Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...

Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the point estimate. Assume the data come from a normally distributed population.

13.1 11.6 11.9 12.8 12.5 11.4 12.0
11.7 11.8 13.1


(Round the intermediate values to 4 decimal places. Round your answers to 2 decimal places.)

90% confidence interval: enter the lower limit of the 90% confidence interval  ≤ μ ≤ enter the upper limit of the 90% confidence interval
95% confidence interval: enter the lower limit of the 95% confidence interval  ≤ μ ≤ enter the upper limit of the 95% confidence interval
99% confidence interval: enter the lower limit of the 99% confidence interval  ≤ μ ≤ enter the upper limit of the 99% confidence interval

The point estimate is enter the point estimate  .

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