Math, asked by hetvikamble19, 1 month ago

The mean value of 3,7,11 and x is 9 . what is the value of x

Answers

Answered by miakapoor783

0

Answer:

hhsvkx

Step-by-step explanation:

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Answered by prathugarg

3

Answer:

15

Step-by-step explanation:

Mean = Sum of all observations / No. of observations

9 = (3 + 7 + 11 + x) / 4

x = 36-21

x = 15

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