Question

Find Semi Inter Quartile Range for the following data.Marks of 11 students in Mathematics : 67, 75, 84, 60, 72, 58, 61, 52, 79, 91, 56

Answer 1

Step-by-step explanation:

Numbers in ascending order would be

52,55,58,60,61,67,72,75,79,84,91

Inter quartile range would be

$\frac{(n + 1)}{2} = \frac{(11 + 1)}{2} = \frac{12}{2} = 6th \: observation \\ which \: is \: 67$

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Answer 2

Step-by-step explanation:

${y1.5 \times \frac{?}{?} }^{?}$

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