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.

145

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142

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148

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146

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Solution

The correct option is B $145$
Frequency Distribution table for Daily wages & Number of workers is:
Class Interval Frequency
$150 - 200$ $50$
$200 - 250$ $30$
$250 - 300$ $35$
$300 - 350$ $20$
$350 - 400$ $10$
Total Workers $145$

Hence, the total number of workers is $145$ .
Thus, option $A$ is correct.

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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.

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

\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}

Daily wages (in Rs.)	100-120	120-140	140-160	160-180	180-200
Number of workers	12	14	8	6	10

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Frequency Distribution table for Daily wages & Number of workers is:
Class Interval	Frequency
$150 - 200$	$50$
$200 - 250$	$30$
$250 - 300$	$35$
$300 - 350$	$20$
$350 - 400$	$10$
Total Workers	$145$