Math, asked by chemaraghvirsingh, 9 months ago

find the mean of 21, 31, 12, 9, 12​

Answers

Answered by itzadi040
2

Answer:

81/5=16.2 is answer ✌✌

Answered by sarthakmishra200480
1

Answer:

Mean=Sum of observation/Total number of observations

Step-by-step explanation:

Sum of observations=21+31+12+9+12=85

Total number of observations=5

So mean=85/5=17

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