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A random sample of ages of 51 college students has the mean of 15. The population is known to be normal with the standard deviation of 2.

a: Find out the standard error of mean? (round 2 decimal places)

b: Find out the margin of error, with 95% confidence. (2 decimal places)

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920413

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