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The weekly wages of 30 workers in a factory are:830, 835, 890, 810, 835, 836, 869, 845, 898, 820, 860, 832, 833, 855, 845, 804,808, 812 ,840 ,885, 835, 835, 836, 878, 840, 868, 890, 806, 840.Using tally marks, make a frequency table with intervals as 800 – 810, 810 – 820 and so on. Also, draw a histogram for the frequency table and find which group has the maximum number of workers?

Answer» The weekly wages of 30 workers in a factory are:

830, 835, 890, 810, 835, 836, 869, 845, 898, 820, 860, 832, 833, 855, 845, 804,

808, 812 ,840 ,885, 835, 835, 836, 878, 840, 868, 890, 806, 840.

Using tally marks, make a frequency table with intervals as 800 – 810, 810 – 820 and so on. Also, draw a histogram for the frequency table and find which group has the maximum number of workers?


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