Find the mean deviation from the mean for the following data: Size: 1 3 5 7 9 11 13 15 Frequency: 3 3 4 14 7 4 3 4

Explanation

Mean `=frac{sum fi x i}{sum fi}
`

`=frac{336}{42}=8`


Mean `=8`
Mid from Mean `=frac{sum fi|di| }{sum f i}`

`=frac{124}{42}`

`therefore` M.D from Mean `=2.95`