Question

the average weight of 15 persons
is 53.5 kg and median weight is 55
kg. at the time of analysis two items
were wrongly taken as 45 kg and 56
kg instead of 54 kg and 65 kg find the
corrected value of mean and median
weight
​

Answer 1

I DON'T KNOW SORRY DEAR CHILD

Answer 2

Step-by-step explanation:

total weight of 15 person = 15×53.5 = 802.5 kg

actual total weight = 802.5 +9+9 = 820.5 kg

correct value of mean weight = 820.5/15 = 54.7 kg

median will be same ..