Question

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.​

Answer 1

Answer:

A frequency distribution shows the frequency of repeated items in a graphical form or tabular form.

The representation of data by frequency distribution table using tally marks is as follows:

Class Intervals 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

890–900 |||| 4

Total 30