question archive The prices (in dollars) of various computer printers in a distributer's catalog are: 850 625 946 763 774 789 584 864 884 698 913 750 G9G 864 93 347 657 886 906 697 867 705 784 864 946 607 798 972 857 785 a) Determine the range of the data

The prices (in dollars) of various computer printers in a distributer's catalog are: 850 625 946 763 774 789 584 864 884 698 913 750 G9G 864 93 347 657 886 906 697 867 705 784 864 946 607 798 972 857 785 a) Determine the range of the data

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The prices (in dollars) of various computer printers in a distributer's catalog are: 850 625 946 763 774 789 584 864 884 698 913 750 G9G 864 93 347 657 886 906 697 867 705 784 864 946 607 798 972 857 785

a) Determine the range of the data.

b) Make an absolute frequency distribution using class width of $50

c) Make a relative frequency distribution.

d) Draw a bar graph, showing both absolute and relative frequency, for the data 

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Answer:

a) The Range of the data = Maximum value - Minimum value ( in the datset )

= 972 - 584

= 388

b) Given, Class width = 50

The required frequency distribution is given by,

Prices Frequency
580-629 3
630-679 1
680-729 4
730-779 4
780-829 5
830-879 6
880-929 4
930-979 3
Total 30

c ) The relative frequency distribution is given by,

Prices Relative frequency
580-629 0.1000
630-679 0.0333
680-729 0.1333
730-779 0.1333
780-829 0.1667
830-879 0.2000
880-929 0.1333
930-979 0.1000
Total 1.0000

d) The bar graph ( hiostogram ) showing frequency for the data is given by,

The bar graph ( hiostogram ) showing relative frequency for the data is given by,

( here we have used class boundaries along the x axis.)

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