169_186_CC_A_RSPC1_C12_662330.indd - Edl



AM7 Chapter 10 Final ReviewWrite the letter for the correct answer in the blank at the right of each question.For Exercises 1 and 2, use the table showing the number of cell phones returned to the manufacturer each month for a year.Number of Cell Phones Returned2015243755139403352801. What are the mean, median, and mode of the data?A. mean = 24.75; median = 26; no modeB. mean = 24.75; median = 20; mode = 55C. mean = 27.00; median = 26; no modeD. mean = 55.00; median = 52; mode = 02. A manufacturer wants to claim that it has a low cell phone return rate. Choose the best measure(s) of center for the manufacturer to use.F. mean H. modeG. median J. mode and mean3. Mr. Hou put student names in a hat and selected five names without looking. What type of sample did he use?A. simple random sampleB. systematic random sampleC. biased sampleD. convenience sample4. Which inference can be supported by the double box plot?904875-4445F. The data is symmetric in both box plots.G. The medians are about the same but the variability in the top plot is much greater than the variability in the bottom plot.H. The range of the data in the top plot is double that of the bottom plot.J. The third and first quartiles of the top plot are both less than those of the bottom plot.5. A six-sided number cube whose sides are numbered 1 through 6 is rolled. What are the probability and the likelihood of the cube landing on an odd number?A. 12; equally likely C. 0; impossibleB. 16; equally unlikely D. 1; certain6. A spinner with four equal-size sections marked X, Y, Z, and Q is spun 100 times. The spinner lands on X 20 times. Which comparison of the experimental probability and theoretical probability of the spinner landing on X is valid?F. 20% < 25% H. 20% > 10%G. 20% = 20% J. 20% < 50%7. A newborn puppy is equally likely to be male or female. What is the probability that the first four puppies that a dog gives birth to are female?A. 12 B. 18 C . 116 D. 08. When Blake loads a washing machine, he needs to choose a load setting of large, delicate, or small; a water temperature setting of hot, warm, or cold; and a regular rinse cycle or an extra rinse cycle. What is the possible number of outcomes in this situation?F. 8 G. 9 H. 18 J. 27 ................
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