Question

Mean of 35 values is 68, mean of 15 values is 54 find the mean of remaining 20
values.​

Answer 1

Answer:

30

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

sum of 35 values = 35×68 = 2380

sum of 15 values = 810

sum of left 20 values= 1570

mean of left 20 values = 1570/20 = 78.5