Question

Q17. If the mean of 7, 9, 11, X and 15 is 12. Find the value of X.​

Answer 1

Answer:

Mean = Sum of all Observation / No of Observation

7+9+11+15+x/5

42 + x/5

42 + x= 60

x = 60 - 42

x = 18 Ans

Step-by-step explanation:

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