the mean of 3 numbers is 25 .the mean of other four number is 48 . find the mean of all the numbers
Answers
Answered by
32
Step-by-step explanation:
Mean of three numbers: 25
Mean of four numbers: 48
Total numbers: 3 + 4 = 7
25 + 48 = 73
73 ÷ 7 = 10.428
Answered by
85
Given :-
The mean of 3 numbers = 25
The mean of 4 numbers = 48
To find :-
The mean of all numbers.
Solution :-
Given that,
Mean of 3 numbers = 25
The mean of 4 numbers = 48
According to the question,
Total of 3 numbers =
Total of 4 numbers =
Therefore,
Number of outcomes =
Total number of outcomes =
Finding the mean,
Substituting their values,
Mean =
Therefore, the mean of all numbers is 38 1/7
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