Topic: Quartile Decile Percentile

Calculate Quartile-4, Deciles-8, Percentiles-50 from the following grouped data

\fCalculate Quartile-3, Deciles-7, Percentiles-20 from the following Solution: Class Frequency grouped data f Cf L-11-0.5 Class Frequency -10.5 16 -20 1 9 (Lower boundary) 1 - 5 3 C/b=6 Lower 11 - 15 2 8 (Cumulative frequency below) 6 - 10 3 Lower than the value 6 -10 3 6 23 class #6.75 11 - 15 2 f-2 1 - 5 3 (frequency) 3 Equal or greater then the Lower boundary P20class1.8 16 - 20 1 value - - - n = 9 - - 2, class : D, class : Pto Class : Class with ( )" value of the observation in ofcolumn Class with ( 10 ) value of the observation in fcolumn Class with 20r ( 100 value of the observation in crcolumn - ()" value of the observation in of column (7: 2 ) value of the observation in of column 20 . 9 100 value of the observation in ofcolumn - (6.75)" value of the observation in of column - (6.3)" value of the observation in ofcolumn - (1.8)# value of the observation in of column and it lies in the class 11 - 15 and it lies in the class 11 - 15. and it lies in the class 1 - 5. 4 2, class : 10.5 - 15.5 & D, class : 10.5 - 15.5 " Pao Class : 0.5 - 5.5 The lower boundary point of 10.5 - 15.5 Is 10.5. The lower boundary point of 10.5 - 15.5 is 10.5. The lower boundary point of 0.5 - 5.5 15 0.5. AL - 10.5 AL - 10.5 L=1-0.5 =0.5 7m 10 (Lower boundary) D, - 1 + Pro - L+ . 5 6.3 - 6 Cfb 0 - 10.5+ 6.75 - 6 - 0.5 + 1.8 - 0 2 - 10.5 + . S 2 (Cumulative frequency below) Lower than the value 0.75 0.3 1.$ - 10.5 + - 5 - 10.5 + . 5 - 0.5 + . 5 f-3 - 10.5 + 1.875 - 10.5 +0.75 - 0.5+ 3 (frequency) 12 375 Equal or greater then the - 11.25 - 3.5 value