The mean of 4 numbers is 13.The mean of other 5 numbers is 22. Find the mean of all numbers
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0
Answer:
18
Step-by-step explanation:
mean of 4 number= 13
sum of all number=13×4=52
mean of other 5 number=22
sum of the number=22×5=110
Total sum=110+52=162
mean of all number=162/9
=18
Hope this helps :)
Answered by
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the mean of 4 numbers is 13
sum of the four numbers = 13*4 = 52
sum of other 5 numbers = 22*5 = 110
sum of the 9 numbers = 110+52 = 162
mean of the nine number = 162/9
= 18
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