The median and mode of a frequency distribution of height of 1000 students are 139.69 cms and 140.05 cms respectively. The mean height of students is ?
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Step-by-step explanation:
mode=3 median-2mean
140.05=3(139.69)- 2 mean
140.05=419.07-2mean
2mean = 410.07-140.05
2mean=279.02
mean =279.02/2
mean=139.51
MEAN=139.51
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