Question

The mean of 5 numbers is 26. If one more number is included then the new mean is 25. Find the included number
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Answer 1

Answer:

the number included = 20

Step-by-step explanation:

mean = sum of observations by no of observations

26 = x/5

26*5 = x

130 = x

atq

(130 + y) / 6 = 25

130 + y = 150

y = 20

Answer 2

Step-by-step explanation:

which is required solution of this question