Question

find average
15 ,14,21,30,​

Answer 1

Here, data is: 15 ,14,21,30

We have, Average = ∑x/N

= (15+14+21+30)/4

= 80/4

= 20 Ans.

Answer 2

Step-by-step explanation:

(15+14+21+30)/4

-) 80/4

-) 20

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