STAT 2507 Study Guide - Midterm Guide: Redone, Box Plot, Savings Account
6 Dec 2018
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Note: the sample midterm test does not predict the size and content of the actual midterm test. After the mean, median, range and variance were calculated for the scores, it was discovered that one of the three 25"s should have been a 23. Which of the following will change when the calculations are redone using the correct scores? (a) both mean and range. (b) only the median. (c) both variance and range. (d) both mean and variance. 1: suppose you roll a pair of fair dice. A random sample of 4 of these service orders is selected for inclusion in a customer satisfactory survey. What is the probability that exactly 3 of the selected service orders were for inkjet printers? (a) c 5. 4: according to a survey of adults, 64% have money in a regular savings account. The results are shown in the table below. Subject percent x of drug reaction time y (seconds)
