Calculation of Mean - Statistics Testing by ClassOf1

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									              Sub: Statistics                                                                Topic: Confidence Interval



              Question:
              To find 95% confidence interval for given data

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              Time the length of 10 commercials on your favorite TV channel. Use these commercial lengths
              to establish a 95% confidence interval for the mean length of commercials on your favorite
              channel. In this forum post give your results and explain what they mean in context of your
              favorite channel.

              Here is the lengths of the commercials to be used:

                                                                           30
                                                                          31.5
                                                                           32
                                                                          31.3
                                                                           30
                                                                          31.7
                                                                       
								
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