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?

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Solution

Intervals Telly marked frequency
800-810 III 3
810-820 II 2
820-830 I 1
830-840 II/IIIIII 9
840-850 II/II 5
850-860 I 1
860-870 III 3
870-880 I 1
880-890 I 1
890-900 IIII 4
Total 30

The frequency of 830-840 interval is 9

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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.

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. 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?

Q. Following figures relate to the weekly wages (in Rs) of 15 workers in a factory:
300, 250, 200, 250, 200, 150, 350, 200, 250, 200, 150, 300, 150, 200, 250
Prepare a frequency table.
(i) What is the range in wages (in Rs)?
(ii) How many workers are getting Rs 350?
(iii) How many workers are getting the minimum wages?

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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, 845,804,808,812,840,885,835,835,836,878,840,868,890,806,840What is the frequency of 830−840 interval?

Intervals Telly marked frequency 800-810 III 3810-820 II 2820-830 I 1830-840 II/IIIIII 9840-850 II/II 5850-860 I 1860-870 III 3870-880 I 1880-890 I 1890-900 IIII 4 Total 30 The frequency of 830-840 interval is 9

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?

Intervals Telly marked frequency
800-810 III 3
810-820 II 2
820-830 I 1
830-840 II/IIIIII 9
840-850 II/II 5
850-860 I 1
860-870 III 3
870-880 I 1
880-890 I 1
890-900 IIII 4
Total 30

The frequency of 830-840 interval is 9