Math, asked by roperdelhitpt, 7 months ago

the mean of 5 observation is 19 . Find the fifth observation, if the four observations are 16 , 18, 15 and 12​

Answers

Answered by tiyapan369
25

Answer:

The 5th observation is 34.

Step-by-step explanation:

Mean = Sum of the observations /

No. of observations

Let, the fifth no. be x

•ATQ, 16+18+12+15+x / 5 = 19

=> 61+x/5 = 19

=> x = (19×5)-61

=> x = 95-61

=> x = 34

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