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1. The following heights (inches) have been obtained for male staff at daily Planet.

 73.10

66.00

65.90

72.00

67.50

69.90

69.10

68.40

74.30

69.90

72.10

69.40

71.00

70.10

71.50

61.50

70.00

63.40

71.00

66.20

68.30

74.20

68.90

73.80

69.30

71.30

74.60

66.90

69.80

68.80

73.00

65.00

63.70

70.90

76.60

69.70

64.80

71.20

70.70

67.50

75.10

71.50

72.00

76.10

68.20

66.80

72.00

69.70

73.00

70.60

a) Make a table for frequency distributiona table for frequency distribution that has sixteen class intervals of width 1 inch. Employ 61.5 inches as the lower limit of the first interval and 62.5 as the upper limit

b) Add a column of relative frequencies of table found in (a)

c) Add a column of cumulative relative frequencies to table found in (a)

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