Vi Given below is a frequency distribution table- Read it and answer the questions that follow- - Class-interval Frequency- 10-20 5- 20-30 10- 30-40 4- 40-50 15- 50-60 12- - What is the class size -

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Standard VIII

Mathematics

Grouped Frequency Distribution

vi Given belo...

Question

Question 82(vi)

Given below is a frequency distribution table. Read it and answer the questions that follow.
$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 10 - 20 & 5 20 - 30 & 10 30 - 40 & 4 40 - 50 & 15 50 - 60 & 12 \end{matrix}$
What is the class size ?

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Solution

We know that,
Class size = Upper class limit - Lower class limit
We can choose any class for the calculation of class size.
Consider first class, i.e. 10-20, then class size = 20-10=10

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Question 82(iii)

Given below is a frequency distribution table. Read it and answer the questions that follow.
$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 10 - 20 & 5 20 - 30 & 10 30 - 40 & 4 40 - 50 & 15 50 - 60 & 12 \end{matrix}$
What is the frequency of the third class ?

Question 82(v)

Question 82(i)

Question 82(vi)

Question 82(iii)

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Question 82(vi) Given below is a frequency distribution table. Read it and answer the questions that follow. Class intervalFrequency10−20520−301030−40440−501550−6012 What is the class size ?

We know that, Class size = Upper class limit - Lower class limit We can choose any class for the calculation of class size. Consider first class, i.e. 10-20, then class size = 20-10=10

Question 82(vi)

Given below is a frequency distribution table. Read it and answer the questions that follow.
$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 10 - 20 & 5 20 - 30 & 10 30 - 40 & 4 40 - 50 & 15 50 - 60 & 12 \end{matrix}$
What is the class size ?

We know that,
Class size = Upper class limit - Lower class limit
We can choose any class for the calculation of class size.
Consider first class, i.e. 10-20, then class size = 20-10=10