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Multiple choice Answers are given in green color 1-1 The members of each basketball team wear numbers on the back of their jerseys. What scale of measurement are these numbers considered? A. Nominal B. Ordinal C. Interval D. Ratio E. None of the above 1-2 Respondents were asked, “Do you now earn more than or less than you did five years ago?” What is this level of measurement? A. Interval B. Ratio C. Nominal D. Ordinal E. None of the above 1-3 What type of data is the projected return on an investment? A. Qualitative B. Continuous C. Attribute D. Discrete E. None of the above 1-4 The gathering, organizing, analyzing, and interpreting data is called A. statistics. B. descriptive statistics. C. inferential statistics. D. levels of measurement. E. None of the above. 1-5 Which of the following is an example of attribute data? A. Number of children in a family B. Weight of a person C. Color of ink in a pen

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D. Miles between oil changes E. None of the above 1-6 Which one of the following is NOT an example of discrete data? A. Number of households watching the Home Improvement. B. Number of employees reporting in sick. C. Number of miles between New York City and Chicago. D. Number of members of the Dobbs Ferry-Irvington Lions Club. E. Number of family members. 2-1: Monthly commissions of first-year insurance brokers are \$1,270, \$1,310, \$1,680, \$1,380, \$1,410, \$1,570, \$1,180 and \$1,420. These figures are referred to as: A. histogram. B. raw data. C. frequency distribution. D. ogive. E. none of the above. 2-2: The monthly salaries of a sample of 100 employees were rounded to the nearest ten dollars. They ranged from a low of \$1,040 to a high of \$1,720. If we want to condense the data into seven classes, what is the most convenient class interval? A. \$ 50 B. \$100 C. \$150 D. \$200 E. None of the above 2-3: For the following distribution of heights, what are the limits for the class with the greatest frequency? Heights 60” up to 65” 65” up to 70” 70” up to 75” Number 10 70 20 A. 64 and up to 70 B. 65 and 69 C. 65 and up to 70 D. 69.5 and 74.5 E. None of the above
2-4: Why are unequal class intervals sometimes used in a frequency distribution? A. To avoid a large number of empty classes B. For the sake of variety in presenting the data C. To make the class frequencies smaller D. To avoid the need for midpoints E. None of the above 2-5 A sample distribution of hourly earnings in Paul’s Cookie Factory is: Hourly Earnings \$6 up to \$9 \$9 up to \$12 \$12 up to \$15 Numbers 16 42 10 The limits of the class with the smallest frequency are: A. \$ 6.00 and \$9.00 B. \$12.00 and up to \$14.00 C. \$11.75 and \$14.25 D. \$12.00 and up to \$15.00 E. None of the above 3-1 Which measures of central tendency are not affected by extremely low or extremely high values? A. Mean and median B. Mean and mode C. Mode and median D. Geometric mean and mean E. None of the above 3-2 Which one of the following is referred to as the population mean?

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