Math, asked by sarwansingh0315, 2 days ago

The mean of 3,6,9,15 is9. Find the value of x

Please send me fast

Answers

Answered by chaitalithote84

0

Answer:

9mean = sum of all observation/total number of observation

= 3 + 6 + 9 + 12 + 15 / 5

= 45/5

= 9

Answered by kashishmetharamani

0

Answer:

Given, arithmetic mean =9

A.M. =

Number

Sum

A.M. =

4

5+7+9+x

⇒9=

4

21+x

⇒x=36−21

⇒x=15

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