Question

81.4

74.8

84.1

95.5

90.1

69.8

137.8

94.4

74.2

69.9

95.2

117.5

77.0

90.5

122.0

104.0

104.1

76.4

98.6

89.7

102.1

104.6

77.6

87.5

69.1

83.4

96.1

97.2

122.4

81.5

97.5

106.7

109.6

91.8

96.7

86.6

118.1

81.5

92.1

103.3

Construct an appropriate stem-and-leaf breakdown for this data

Answer 1

First we need round the data to nearest integer. Following is the rounded data:

X	Rounded data
81.4	81
74.8	75
84.1	84
95.5	96
90.1	90
69.8	70
137.8	138
94.4	94
74.2	74
69.9	70
95.2	95
117.5	118
77	77
90.5	91
122	122
104	104
104.1	104
76.4	76
98.6	99
89.7	90
102.1	102
104.6	105
77.6	78
87.5	88
69.1	69
83.4	83
96.1	96
97.2	97
122.4	122
81.5	82
97.5	98
106.7	107
109.6	110
91.8	92
96.7	97
86.6	87
118.1	118
81.5	82
92.1	92
103.3	103

Following is the stem and leaf display: