the mean of 3 numbers is 25 the mean of of other four numbers is 48 find the mean of all the numbers
Answers
Answered by
1
Answer:
mean of 3 numbers = sum of 3 numbers / total no. of numbers
25 = sum of 3 numbers / 3
sum of 3 numbers = 25× 3 =75
mean of other 4 numbers = sum of 4 numbers / total no. of numbers
48 = sum of 4 numbers / 4
sum of 4 numbers = 48 × 4 = 192
mean of all numbers = 75+192/3+4
= 267/7 = 38.14
Similar questions