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Find 15 percentiles of {{10,11,12,13,14},{3,12,18,12,3}}

Solution:
Your problem -> 15 percentiles of {{10,11,12,13,14},{3,12,18,12,3}}

 x Frequencyf cf 10 3 3 11 12 15 12 18 33 13 12 45 14 3 48 --- --- --- n = 48 --

Here, n = 48

P_15 = ((15(n+1))/100)^(th) value of the observation

=((15*49)/100)^(th) value of the observation

=(7.35)^(th) value of the observation

=11

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