An instructor wishes to review students doing poorly in his large-room lecture courses, so that he can schedule individual appointments with them and…

An instructor wishes to review students doing poorly in his large-room lecture courses, so that he can schedule individual appointments with them and offer extra help. He has time to meet with only 15 students. The data in the table below lists student ID numbers and their current averages in the course. The professor asks you, as the teaching assistant, to answer the following questions.

a.  Make a Pareto chart showing the grades of the 15 students currently doing the worst.

b.    Report what percentage of the total range of grades is represented by the range of the 15 worst grades.

82537148

52876875

61276723

91870406

80818704

15083730

65224586

30885810

30657188

52933093

82201643

26248550

94046676

47818150

22293475

60266252

49270868 31503728

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47727370

45242227

70858879

55422066

0304732

48766107

27624168

43739117

75066428

43158042

98146249

87412748

77431632

58766590

33281753

“1676184

2004042

32053760

40298546

31V11482

83

77

68

71

67

77

63

74

72

86

64

62

92

71

47

63

77

62

78

78

75

55

66

70

81

62

74

89

68

52

74

70

89

56

65

56

78

74

65

47

31095586

61876472

64008887

73326752

26409017

61190128

77299160

99352189

27296942

70839462

80110862

27631804

11487151

13727582

60851229

80904965

92532056

92991088

27476858

54767843

64897314

53891369

90803628

47261761

65387482

86528875

47939048

78952719

91597615

42693561

28025251

87934696

86993274

10283072

51148388

96705165

74068061

51319884

41163546

39555188

72

83

77

65

51,

80

81

99

67

68

79

65

82

63

74

61

68

65

79

63

47

91

58

60

59

71

57

64

85

69

65

70

74

70

75

74

65

78

65

68

72035950

84995609

70350224

10307329

86481961

55528820

20706744

10509111

65629327

79414847

13149325

43768964

72972689

50076075

76016688

60736395

57588119

14745234

19646827

10285241

81058629

77577724

97965137

17238270

63140408

12913224

40917560

73741404

14639971

74062874

97173669

82394086

30251061

85732777

32807943

39939709

25757411B

28650628

21287219

32693323

61

61

90

74

68

70

85

58

64

80

53

72

76

76

79

74

77

69

70

68

66

80

57

74

65

62

60

71

49

68

72

73

52

54

81

63

74

61

74

57

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