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everlyn85 everlyn85
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6 years ago
A company has 600 employees. A random sample of 49 employees took a computer literacy test. The sample resulted in a mean score of 75 with a standard deviation of 21.
 a. Estimate the standard error of the mean.
  b. Develop an approximate 95 confidence interval for the population mean of the 600 employees.
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gool34gool34
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