Which of the following involves inferential statistics as opposed to descriptive statistics? A A local cable system, using a sample of 500 subscribers, estimates that 40 percent of its subscribers watch a premium channel at least once per day. B.The Alcohol, Tobacco and Firearms Department reported that Houston had 1,791 registered gun dealers in 1997. C. A class of 50 statistics students earned an average grade of 73.5. D. The city business office reported 35 building permits for new single-family housing units 2. A particular sample contains 50 data values. According to Chebyshev's theorem, which of the following is the maximum number of values you would expect to fall within 3.0 standard deviations of the mean? 35 15 45 20 3. Which of the following statements about interpreting standard deviation is true? A. Chebyshev's Rule can't be applied unless the frequency distribution is mound-shaped and symmetric. The Empirical Rule can be applied to any data set, regardless of the shape of its frequency distribution. B. Neither Chebyshev's Rule nor the Empirical Rule require any assumptions about the frequency distribution. C. Neither the Empirical Rule nor Chebyshev's Rule can be applied to data unless the frequency distribution is mound-shaped and symmetrical. D. The Empirical Rule can't be applied unless the frequency distribution is mound-shaped and symmetric. Chebyshev's Rule can be applied to any data set, regardless of the shape of its frequency distribution.
- Which of the following involves
inferential statistics as opposed todescriptive statistics ?
A A local cable system, using a sample of 500 subscribers, estimates that 40 percent of its subscribers watch a premium channel at least once per day.
B.The Alcohol, Tobacco and Firearms Department reported that Houston had 1,791 registered gun dealers in 1997.
C. A class of 50 statistics students earned an average grade of 73.5.
D. The city business office reported 35 building permits for new single-family housing units
2. A particular sample contains 50 data values. According to Chebyshev's theorem, which of the following is the maximum number of values you would expect to fall within 3.0 standard deviations of the mean?
- 35
- 15
- 45
- 20
3. Which of the following statements about interpreting standard deviation is true?
A. Chebyshev's Rule can't be applied unless the frequency distribution is mound-shaped and symmetric. The
B. Neither Chebyshev's Rule nor the Empirical Rule require any assumptions about the frequency distribution.
C. Neither the Empirical Rule nor Chebyshev's Rule can be applied to data unless the frequency distribution is mound-shaped and symmetrical.
D. The Empirical Rule can't be applied unless the frequency distribution is mound-shaped and symmetric. Chebyshev's Rule can be applied to any data set, regardless of the shape of its frequency distribution.
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