If the lower and upper quartiles of a data are 4 and
12 then the quartile deviation is_____

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Solution

The correct option is B 4
Lower Quartile $Q_{1} = 4$
Upper Quartile $Q_{3} = 12$
And Quartile deviation will be $\frac{Q_{3} - Q_{1}}{2} = \frac{12 - 4}{2} = \frac{8}{2} = 4$

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If the lower and upper quartiles of a data are 4 and12 then the quartile deviation is_____

The correct option is B 4Lower Quartile Q1=4 Upper Quartile Q3=12And Quartile deviation will be Q3−Q12=12−42=82=4

If the lower and upper quartiles of a data are 4 and
12 then the quartile deviation is_____

The correct option is B 4
Lower Quartile $Q_{1} = 4$
Upper Quartile $Q_{3} = 12$
And Quartile deviation will be $\frac{Q_{3} - Q_{1}}{2} = \frac{12 - 4}{2} = \frac{8}{2} = 4$