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A survey regarding the heights (in cm) of 50 girls of class X of a school was conducted and the following data was obtained: Height (in cm) 120 - 130 130 - 140 140 - 150 150 – 160 160 – 170 Total Number of girls 2 8 12 20 8 50 Find the mean, median and mode of the above data.
Asked by Topperlearning User | 12 Feb, 2014, 02:16: PM
answered-by-expert Expert Answer
 
Height in cm
Number of girls
Cumulative Frequency
120 – 130
2
2
130 – 140
8
10
140 – 150
12
22
150 – 160
20
42
160 – 170
8
50
Total
50
 
 
 
Answered by | 12 Feb, 2014, 04:16: PM

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