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In: Statistics and Probability

dfgasdsgsf32414123435315 The following data show the cost of electricity (in RM) during a summer month for...

dfgasdsgsf32414123435315

  1. The following data show the cost of electricity (in RM) during a summer month for a random sample of 30 one-bedroom apartments in a large city.

17.5

33.7

31.9

21.7

19.1

19.6

20.9

39.7

36.5

21.7

29.7

19.9

33.2

35.7

20.7

27.8

32.8

19.7

14.5

27.2

15.7

15.2

23.6

24.2

26.8

21.6

13.9

42.5

14.7

35.1

  1. a)Construct a frequency distribution.         
  2. b)Using the result from part (i), calculate the relative frequencies for each class.
  3. c)Using the result from part (i), calculate the cumulative frequencies for each class.
  4. d)Construct a frequency histogram for these data.
  5. e)Using the result from part (i), compute the mean.                                            
  6. f)Using the result from part (v), compute the standard deviation.

Solutions

Expert Solution

Histogram:

orchestra answered 3 years ago
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