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Problem: 4 deciles of {{10,3},{11,12},{12,18},{13,12},{14,3}} [ Calculator, Method and examples ]

Solution:
Your problem `->` 4 deciles of {{10,3},{11,12},{12,18},{13,12},{14,3}}


`x`Frequency
`f`
`cf`
1033
111215
121833
131245
14348
---------
n = 48--


Here, `n = 48`

`D_4 = ((4(n+1))/10)^(th)` value of the observation

`=((4*49)/10)^(th)` value of the observation

`=(19.6)^(th)` value of the observation

`=12`








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