The median for the data isIQ - 60-70 - 70-80 - 80-90 - 90-100 - 100-110 - 110-120 - 120-130 NhlinelendarrayA- 103-26B- 102-86C- 98-46D- 97-47

The correct option is B 102.86 [ Class Interval amp; Frequency amp; Cumulative Frequency; 60 70 a ...

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Standard X

Mathematics

Median from Frequency Distribution Table

The median fo...

Question

The median for the data is

$\begin{matrix} I Q & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 & 120 - 130 N o . o f p u p i l s & 2 & 3 & 5 & 16 & 14 & 13 & 7 \end{matrix}$

102.86

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98.46

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97.47

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103.26

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Solution

The correct option is A
102.86

$\begin{matrix} C l a s s I n t e r v a l & F r e q u e n c y & C u m u l a t i v e F r e q u e n c y 60 - 70 & 2 & 2 70 - 80 & 3 & 5 80 - 90 & 5 & 10 90 - 100 & 16 & 26 100 - 110 & 14 & 40 110 - 120 & 13 & 53 120 - 130 & 7 & 60 \end{matrix}$

$\frac{n}{2} = 30$
$∴$ the median class is 100-110
Median $= l + (\frac{\frac{n}{2} - c f}{f}) \times h$
$= 100 + \frac{30 - 26}{14}$ $\times 10 = 102.86$

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The median of the following data is:

$\begin{matrix} I Q & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 & 120 - 130 N o . o f p u p i l s & 2 & 3 & 5 & 16 & 14 & 13 & 7 \end{matrix}$

The median for the data is

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The median for the data is :

$\begin{matrix} IQ & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 & 120 - 130 No. of pupils & 2 & 3 & 5 & 16 & 14 & 13 & 7 \end{matrix}$

Find the median of the following data set.

70 50 90 120 110 100 80 60

The median for the following distribution of data is ____.

$\begin{matrix} IQ & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 & 120 - 130 No. of pupils & 2 & 3 & 5 & 16 & 14 & 13 & 7 \end{matrix}$

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The median for the data is IQ60−7070−8080−9090−100100−110110−120120−130No. of pupils2351614137

The correct option is A 102.86 Class IntervalFrequencyCumulative Frequency60−702270−803580−9051090−1001626100−1101440110−1201353120−130760 n2=30 ∴ the median class is 100-110 Median =l+(n2−cff)×h =100+30−2614×10=102.86

The median for the data is

$\begin{matrix} I Q & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 & 120 - 130 N o . o f p u p i l s & 2 & 3 & 5 & 16 & 14 & 13 & 7 \end{matrix}$