1.2 solutions

# Suppose after taking the sample the program finds

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17. Suppose after taking the sample, the program finds that their next graduate starts at \$35,000 per year. Which of the following statistics will be the least affected by adding this graduate to the data set? a. The mean b. The median c. The standard deviation d. All of these will be affected the same amount 18. A small data set was summarized using Minitab; the output is below. Which of the following data sets matches these descriptive statistics? Descriptive Statistics: C1 Total Variable Count Mean StDev C1 6 1.0000 0.000000000 Note the mean is 1 here (see the output); that’s why c is the only answer. 19. Suppose one of your colleagues analyzed a data set by hand and found the mean to be -6.343 and the standard deviation to be -3.3234. What do you conclude? 20. Match the following boxplots to their 5 number summaries: Data C3 C2 C1 30 25 20 15 10 Min Q1 Median Q3 Max #1 10 15 20 25 30 #2 10 18 20 28 30 #3 10 12 20 22 30

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