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10th CBSE

IMPORTANT

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The cumulative frequency table is useful in determining the

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Important Questions on Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive

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10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 7

The abscissa of the point of intersection of the Less Than Type and of the More Than Type cumulative frequency curves of a grouped data gives its

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10th CBSE

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Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 8

If $x_{i}^{'} s$ are the mid points of the class interval of a grouped data, $f_{i}^{'} s$ are the corresponding frequencies and $x$ is the mean then $\sum (f_{i} x_{i} - x) =$ ?

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10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 9

For finding the mean by using the formula,

x = A + h (\frac{\sum f_{i} u_{i}}{\sum f_{1}}),

we have

u_{i} =

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10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 10

In the formula,

x_{i} = \{A + \frac{\sum f_{i} d_{i}}{\sum f_{i}}\}

for finding the mean of the grouped data, the

d_{i}

is the deviation from

A

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10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 11

While computing the mean of the grouped data, we assume that the frequencies are

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10th CBSE

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Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 12

The relation between mean, mode and median is

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10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 13

If the 'less than type' ogive and 'more than type' ogive intersect each other at

(20.5, 15.5)

then the median of the given data is

MEDIUM

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 18 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 14

Consider the frequency distribution of the height of $60$ student of a class:

Height (in $cm$ )	No. of students	Cumulative Frequency
$150 - 155$	$16$	$16$
$155 - 160$	$12$	$28$
$160 - 165$	$9$	$37$
$165 - 170$	$7$	$44$
$170 - 175$	$10$	$54$
$175 - 180$	$6$	$60$

The sum of the lower limit of the modal class and the upper limit of the median class is

The cumulative frequency table is useful in determining the

Important Questions on Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive

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