Question

Find the mean of
21, 24, 21, 6, 15, 18, 21, 45, 9, 6, 27 and 15.
if you don't know don't answer​

Answer 1

Answer:

21+24+21+6+15+18+21+45/12=228/12=19

Answer 2

= 21+24+21+6+15+18+21+45+9+6+27+15

12

= 228

12

= 19

Step-by-step explanation:

Step-by-step explanation: The most common representatives value of group of dark is the Arithmetic mean. The "average" or "arithmetic mean" or simply "mean" is defined as

Mean : Sum of all observations

Number of observations

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