Question

35. The mean of 7,10,11 ,12 is
a) 9
b) 9.5
c) 10
d) 10.5​

Answer 1

Answer:

b)9.5

Step-by-step explanation:

12-7/2+7

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Answer 2

Answer:

mean = sum of all observation / total no. of observation

mean = 7+10+11+12/4

mean = 40/4

mean = 10

Step-by-step explanation:

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