Math, asked by cindyshan101, 1 year ago

The mean of 5 numbers is 56. If one of the numbers is excluded, the mean of the numbers is reduced by 4. What is the excluded number?

Answers

Answered by jaiminchokhawala

0

Answer:

the excluded number = 72

Step-by-step explanation:

∑ x(1>>5) = 56*5 = 280

∑ x(1>>4) = 52*4 = 208

so ∑1st - ∑2nd = 280 - 208 = 72

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