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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Solution

Required histogram:

Group 830 - 840 has the maximum number of workers.

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Similar questions

Q. The weekly wages (in

R s

) of

30

workers in a factory are:

830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 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

Q. The weekly wages (in ₹) of 30 workers in a factory are:
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 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.

Q. The weekly wages (in Rs) of

30

workers in a factory are:

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

845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840

What is the frequency of

830 - 840

interval?

The weekly wages (in Rs) of 30 workers in a factory are given:830, 835, 890, 810, 835, 836, 869, 845,898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878,840, 868, 890, 806, 840 Marks a frequency table with intervals as 800-810, 810-820 and so on, using tally marks Also, draw a histogram and answer the following questions:

(i) Which group has the maximum number of workers?

(ii) How many workers earn Rs 850 and more?

(iii) How many workers earn less than Rs 850?

Q. Weekly wages of

250

workers in a factory are given in the following table. Construct the histogram and frequency polygon on the same graph for the data given.

Weekly wages	$500 - 550$	$550 - 600$	$600 - 650$	$650 - 700$	$700 - 750$	$750 - 800$
No of workers	$30$	$42$	$50$	$55$	$45$	$28$

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Required histogram: Group 830 - 840 has the maximum number of workers.

Required histogram:

Group 830 - 840 has the maximum number of workers.