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Constucting the confidence interval for mean

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The following data values are a simple random sample from a population that's normally distributed with (symbol for variance) o2=4.0:

11,6,8,12 and 13.

Construct and interpret the 90% and 95% confidence intervals for the population mean.

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Solution Summary

The solution describes the steps to construct the confidence intervals in the given case.

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Please refer attached file for missing expressions.

Sample mean= (11+6+8+12+13)/5=10
Population standard deviation= 4^0.5=2
Value of Z for 95% confidence level can be found from Standard ...

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  • BEng (Hons) , Birla Institute of Technology and Science, India
  • MSc (Hons) , Birla Institute of Technology and Science, India
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