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The following histogram shows the monthl...

The following histogram shows the monthly wages (in Rs.) of workers in a factory: Figure Find the largest and least number of workers and also their wages in rupees.

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Construct a frequency table with equal class intervals from the following data on the monthly wages (in rupees) of 28 labourers working in a factory, taking one of the class intervals as 210−230 (230 not included). 220,268,258,242,210,268,272,242,311,290,300,320,319,304,302,318,306,292,254,278, 210,240,280,316,306,215,256,236.