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Q.

The heights of 50 girls of Class X of a school are recorded as follows:

Height (in cm)
Frequency
135-140
5
140-145
8
145-150
9
150-155
12
155-160
14
160-165
2

The ‘more than type’ ogive for the above data will be

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a

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b

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c

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d

None of these

answer is A.

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Detailed Solution

The given frequency distribution table is:

Height (in cm)	Frequency
135-140	5
140-145	8
145-150	9
150-155	12
155-160	14
160-165	2

The frequency table of the given data will be:

Height (in cm)	Frequency
More than 135	5+8+9+12+14+2=50
More than 140	8+9+12+14+2=45
More than 145	9+12+14+2=37
More than 150	12+14+2=28
More than 155	14+2=16
More than 160	2

To draw the more than ogive graph of the data, we will take the upper-class limits of class interval on x-axis and their respective frequencies on y-axis.
Question Image

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Thus, correct option is 1.

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The heights of 50 girls of Class X of a school are recorded as follows:Height (in cm)Frequency135-1405140-1458145-1509150-15512155-16014160-1652The ‘more than type’ ogive for the above data will be