Mean of 5 observation is 15. If first,second,third,fourth, and fifth observation are increased by 1,2,3,4 and 5 representively,then find the new mean. Give me answer fast i will give you brainlist if answer will correct.
Answers
Answered by
5
Mean of 5 observations=15
Increase in Observations=1+1+2+2+3+3+4+4+5+5/10
2+4+6+8+10/10
30/10
3
Increase in Observations=1+1+2+2+3+3+4+4+5+5/10
2+4+6+8+10/10
30/10
3
jamre:
your answer is wrong. the correct answer is 18.
i don't know how to solve it.
that's why i am asking.
I think it will help you a lot
never
sorry. yes
thank you
it's ok.
Answered by
10
mean = sum of observation / no. of observation
Given mean = 15
15= sum of observation / 5
sum of observation = 15×5 = 75
new mean = (75+1+2+3+4+5)/5= 90/5 = 18
Given mean = 15
15= sum of observation / 5
sum of observation = 15×5 = 75
new mean = (75+1+2+3+4+5)/5= 90/5 = 18
yes you have done right.
I think you wil mark it as brainliest
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