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Histogram

Question 15 I...

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Question 15
In the figure, there is a histogram depicting daily wages of workers in a factory. Construct the frequency table.

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Solution

It is clear from the histogram that class intervals are from 150 - 200, 200 - 250, ... having width 50.
The frequency distribution table is given below.

$\begin{matrix} W a g e (R s .) & N u m b e r o f w o r k e r s 150 - 200 & 50 200 - 250 & 30 250 - 300 & 35 300 - 350 & 20 350 - 400 & 10 T o t a l & 145 \end{matrix}$

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Q. In the figure, there is a histogram depicting daily wages of workers in a factory. Construct the frequency distribution table and find the total number of workers.

Q. The daily wages (in Rs) of 15 workers in a factory are given below:
200, 180, 150, 150, 130, 180, 180, 200, 150, 130, 180, 180, 200, 150, 180
Prepare the frequency table and find the mean wage.

Q. The daily wages of 50 workers in a factory are given below:

Daily wages (in rupees)	140−180	180−220	220−260	260−300	300−340	340−380
Number of workers	16	9	12	2	7	4

Construct a histogram to represent the above frequency distribution.

Q. The daily wages (in Rs) of 15 workers in a factory are given below.
200, 180, 150, 150, 130, 180, 180, 200, 150, 130, 180, 180, 200, 150, 180.

Arrange the above data in ascending order and prepare the frequency table.

Q. The daily wages of 50 workers in a factory are given below :

\begin{matrix} Daily & 340 - 380 & 380 - 420 & 420 - 460 & 460 - 500 & 500 - 540 & 540 - 580 wages in rupees Number of & 16 & 9 & 12 & 2 & 7 & 4 workers \end{matrix}

Construct a histogram to represent the above frequency distribution.

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