Question

the sum of 20 items is zero their mean is​

Answer 1

Answer:

Average of 20 numbers = 0. Sum of 20 numbers (0 x 20) = 0.

Answer 2

Answer: Mean = 0

Step-by-step explanation:

Given : Sum of 20 items is zero

To Find : Mean

Solution :

∴ Mean = $\frac{Sum}{20}$

∴ Mean = $\frac{0}{20}$

∴ Mean = 0

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