9 the weights of the male and female students in a

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9.The weights of the male and female students in a class are summarized in the followingboxplots:Which of the following is NOT correct?(a) About 50% of the male students have weights between 150 and 185 pounds.(b) About 25% of female students have weights above 130 pounds.(c) The median weight of male students is about 162 pounds.(d) The mean weight of female students is about 120 pounds.(e) The male students have less variability than the female students.
10.When testing water for chemical impurities, results are often reported as bdl, that is, belowdetection limit.The following are the measurements of the amount of lead in a series ofwater samples taken from inner-city households (in parts per million):5, 7, 12, bdl, 10, 8, bdl, 20, 6Which of the following statements can we be sure is true?
© 2011 BFW PublishersThe Practice of Statistics, 4/e- Chapter 145Below are the lengths, in minutes, of the 25 most popular movies, as voted on by visitors to aweb site devoted to movies.1421952011391759612113020013310217816112414611515415220711214.Make astemplot of these data.15.The mean of this distribution is 144.7 and the median is 139.Explain why you could havepredicted that the mean would be higher than the median by looking at the stemplot.106109165118136

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