The mean of 6 numbers is 14. If one of the numbers is excluded there mean becomes 13. The excluded number will be.
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Step-by-step explanation:
mean = 14
sum of 6 numbers be x
x / 6 = 14
x = 84
now , y / 5 = 13
y = 65
x - y = 84 - 65 = 19 is the excluded number
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