Question

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Answer 1

Answer:

Interquartile range is 7.

:-

We write the variates in cumulative frequency table.

*(Refer the Image)*

(i) Here the number of observations, n=48 which is even.

So median=½(n/2th term+((n/2)+1)th term)

*(Refer Thee Image)*

Hence the lower quartile is 20.

(iii)Upper quartile, Q3=(3n/4)th term

=(3×48/4)th term

=(3×12)th term

=36th term

=27

Hence the upper quartile is 27.

(iv)Interquartile range =Q3−Q1

=27−20

=7

This is the answer anna...

Maths teacher Answer kudutanga..

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