QUESTIONS 6-11 ARE RELATED TO THE FOLLOWING Now consider the textbook expense of all IUPUI students. The mean and variance of textbook expense of all IUPUI students are as follows: $518.66 o2 = 15965.14 = From the population of IUPUI students you take repeated samples of size n= 92 and compute the sample mean textbook expense. 10 The middle interval that captures 95% ofthe means from sample of size n = 92 is, a 492.84 544.48 b 488.54 548.78 484.23 553.09 d 479.93 557.39

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