Statistics Testing - Population means score by ClassOf1

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									              Sub: Statistics                                                                                   Topic:Testing



              Question:
              Find the confidence interval for single mean.

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              A study shows that children who attended a high-quality daycare program before they enter
              school perform better on math tests than children who do not have daycare experience. The
              data showed that a sample of n = 25 children who attended day care before starting school had
              an average score of M = 87 with SS = 1536 on a standardized math test for which the
              population mean is µ = 81.

              a. Use the sample data to make a point estimate of the average math t
								
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