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# appendix B data set duratioof shuttle flights refer to data set 10 in appendix B and use the duration (hour) of the the NASA shutle fightts.

appendix B data set duratioof shuttle flights refer to data set 10 in appendix B and use the duration (hour) of the the NASA shutle fightts.a find the mean and standard deviation, and verify that that data have a distribution that is rought normal b. treat the statistics from part (a) as if they population parameter and a nomal distribution to find the value of the quartile Q1 Q2 Q3