Question

mean of 12, 15, 17, 11, 12, 13, 9, 16, 8, 17

Answer 1

12+15+17+11+12+13+9+16+8+17
130
130/10
13 answer

Answer 2

hey !!!

As we know that

mean = sum of all observation / no of observation

so... sum of observation , 12+ 15 + 17 + 11 + 13 +9 + 16 + 8 + 17 =130

no. of observation=10

mean =130/10 =13 Ans.

hope it helps you !

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