350 400 250 470 350 230 480 225 640 340 530 640 730 920 430 230 450 560 670 800 Find the mean wages of each labourer. Also represent the data in a frequency distribution table taking suitable class intervals.
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Step-by-step explanation:
Interval Tally marks Frequency
800−810 ∣∣∣ 3
810−820 ∣∣ 2
820−830 ∣ 1
830−840
∣∣∣∣ ∣∣∣ 9
840−850
∣∣∣∣ 5
850−860 ∣ 1
860−870 ∣∣∣ 3
870−880 ∣ 1
880−890 ∣ 1
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