S36 - Class Frequency ( 29 f Rel Frequency ( 29 rel f 0 –...

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TABLE 2-4 A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. Stem Leaves 3 24 4 03478999 5 0112345 6 12566 7 01 8 9 2 9. Referring to Table 2-4, what percentage of the respondents rated overall television quality with a rating of 50 or below? a) 0.11 b) 0.40 c) *0.44 (11 out of 25) d) 0.56 TABLE 2-11 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. Defects 1, 2, 4, 4, 5, 5, 6, 7, 9, 9, 12, 12, 15, 17, 20, 21, 23, 23, 25, 26, 27, 27, 28, 29, 29
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Unformatted text preview: Class Frequency ( 29 f Rel Frequency ( 29 rel f 0 – 5.99 4 .16 5 – 9.99 6 .24 10 – 24.99 2 .08 15 - 20.99 2 .08 20 – 24.99 4 .16 25 – 29.99 7 .28 Total 25 1.00 10. Referring to Table 2-11, if a frequency distribution for the defects data is constructed, using "0 but less than 5" as the first class, the frequency of the “20 but less than 25” class would be __4______. 11. Referring to Table 2-11, if a frequency distribution for the defects data is constructed, using "0 but less than 5" as the first class, the relative frequency of the “15 but less than 20” class would be ___.08_____....
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This note was uploaded on 02/14/2011 for the course ECON 100 taught by Professor Mmm during the Spring '11 term at Allen University.

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S36 - Class Frequency ( 29 f Rel Frequency ( 29 rel f 0 –...

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