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Question

A long-distance company wanted to acquire information about the monthly bills of new subscribers in the first

month after signing with the company. The company's marketing manager conducted a survey of 200 new residential subscribers and recorded the first month's bills. These data are listed here


Bill Amount Frequency

0 up to 15 60

15 up to 30 47

30 up to 45 13

45 up to 60 14

60 up to 75 9

75 up to 90 16

90 up to 105 25

105 up to 120 16


Find the range and the standard deviation. (Answer with one decimal place)

Top Answer

Range = 120.0... View the full answer

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