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Positional measures Quartiles Deciles Percentiles Part2 Application problems in Quartiles use
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Positional measures- Quartiles ,Deciles Percentiles -part1 • • Positional measures Quartiles, Deci... 👆 • Arrange the data in ascending order before doing calculation • Ex:1 Q1 = size of (n+1)/4 th item • Q2 = size of (n+1)/2 th item • Q3 = size of 3 (n+1)/4 th item • Ex:2 Q1 = size of (N+1)/4 th item • Q3 = size of 3(N+1)/4 th item • Ex:3 Q1 class = size of N/4 th item.Apply the formula • Q1 = L+( N/4-c.f)/f x c • Q3 class = size of 3N/4 th item.Apply the formula • Q3= L+(3N/4-c.f)/fx c
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