Construct a frequency table with equal class intervals from the f… - Vidyadip

Question

Construct a frequency table with equal class intervals from the following data on the monthly wages (in rupees) of 28 laborers working in a factory, taking one of the class intervals as $210-230 (230$ not included$)$.$ 220, 268, 258, 242, 210, 268, 272, 242, 311, 290, 300, 320, 319, 304, 302, 218, 306, 292, 254, 278, 210, 240, 280, 316, 306, 215, 256, 236$.

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Answer

Monthly Wages (in rupees)	Tally marks	Frequency
$210-230$	$\|\|\|\|$	$4$
$230-250$	$\|\|\|\|$	$4$
$250-270$	$\|\|\|\|$	$5$
$270-290$	$\|\|\|$	$3$
$290-310$	$\|\|\|\|\ \|\|$	$7$
$310.0-330.0$	$\|\|\|\|$	$5$
		Total $= 28$

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