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31 March, 19:40

A PE teacher is charting the weight and BMI of her students. The table below shows the measured weight for all of her students for the most current period. What is the mean (arithmetic average) for these students included in this data set?

Measured Weight Number of Students Measured Weight Number of Students Measured Weight Number of Students Measured Weight Number of Students

105

110

112

113

115 1

2

2

3

2 116

117

118

120

121 5

4

7

5

5 125

126

128

130

132 4

5

2

1

3 134

135

140

141

150 1

3

2

2

1

124.40

118.00

123.00

122.67

+5
Answers (1)
  1. 31 March, 20:10
    0
    122.67 average

    Step-by-step explanation:

    Mean = (every value added up) / (# of values)

    Mean = (105 + 2 (110) + 2 (112) + 3 (113) + 2 (115) + 5 (116) + 4 (117) + 7 (118) + 5 (120) + 5 (121) + 4 (125) + 5 (126) + 2 (128) + 130 + 3 (132) + 134 + 3 (135) + 2 (140) + 2 (141) + 150) / 60

    = 7360/60

    = 122.67

    I had trouble understanding the data but I hope I did this right!
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