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  3. 2.32 the following are the grades that 50 students

2.32 The following are the grades that 50 students obtained on an accounting test: 73 65 82 70 45 50 70 54 32 75 75 67 65 60 75 87 83 40 72 64 58 75 89 70 73 55 61 78 89 93 43 51 59 38 65 71 75 85 65 85 49 97 55 60 76 75 69 35 45 63 Convert the distribution...

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Statistics

2.32 The following are the grades that 50 studentsobtained on an accounting test:

73

65

82

70

45

50

70

54

32

75

75

67

65

60

75

87

83

40

72

64

58

75

89

70

73

55

61

78

89

93

43

51

59

38

65

71

75

85

65

85

49

97

55

60

76

75

69

35

45

63

Convert the distribution from classes 30-39, 40-49,50-59, …, and 90-99 into cumulative “less than” distribution,beginning with “less than 30”.

2.34The following are the miles per gallon obtained with40 tankful of gas:

24.1

25.0

24.8

24.3

24.2

25.3

24.2

23.6

24.5

24.4

24.5

23.2

24.0

23.8

23.8

25.3

24.5

24.6

24.0

25.2

25.2

24.4

24.7

24.1

24.6

24.9

24.1

25.8

24.2

24.2

24.8

24.1

25.6

24.5

25.1

24.6

24.3

25.2

24.7

23.3

Group these figures into a distribution having theclasses 23.0-23.4, 23.5-23.9, 24.0-24.4,24.5-24.9, 25.0-25.4, and 25.5-25.9.

b) Convert the distribution obtained in part (a) into acumulative \"or more\" distribution, beginning with\"23.0 or more\" and ending with \"26.0 or more.\"

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