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Determine frequency distribution - histogram

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Reference no: EM1390085

The Air Transport Association of America published figures on the busiest airports in the United States. The following frequency distribution has been constructed from these figures for the year 2000.

NUMBER OF PASSENGERS ARRIVING AND DEPARTING (MILLIONS) NUMBER OF AIRPORTS

20 - under 30 8

30 - under 40 7

40 - under 50 1

50 - under 60 0

60 - under 70 3

70 - under 80 1

a. Calculate the mean and mode of number of passengers arriving and departing using data presented.

b.Calculate the variance and the standard deviation.

c. Draw histogram and give on those data. Comment on effectiveness of each chart.

Reference no: EM1390085

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