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# What is the mean deviation 0f 3, 5, 8, 11, 12 and 21?

### Question

What is the mean deviation 0f 3, 5, 8, 11, 12 and 21?

A) 37

B) 60

C) 10

D) 4.7

### Explanation:

mean($$\bar{x}$$) = $$\frac{\sum x}{n}$$
= $$\frac{7 + 5 + 2 + 1 + 2 + 11}{6}$$ = 10
M.D = $$\frac{7 + 5 + 2 + 1 + 2 + 11}{6}$$
= $$\frac{28}{6}$$
= 4.7

## Dicussion (1)

• mean($$\bar{x}$$) = $$\frac{\sum x}{n}$$
= $$\frac{7 + 5 + 2 + 1 + 2 + 11}{6}$$ = 10
M.D = $$\frac{7 + 5 + 2 + 1 + 2 + 11}{6}$$
= $$\frac{28}{6}$$
= 4.7