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The mean of 5 observations is 14. If on...

The mean of 5 observations is 14. If one of the observations is wrongly read as 10 for 30, then find out the correct mean

A

14

B

20

C

18

D

16

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MTG IIT JEE FOUNDATION-DATA HANDLING-Exercise (Level - 1) M.C.Q
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  13. The mean of 5 observations is 14. If one of the observations is wrong...

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  14. The heights of a group of people (in cm) are 121, 118, 115, 130, 100,...

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  16. The mean of 5 observations is 3 and if one more observation is added...

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