For frequency distribution table, we need to count the wages lying in a particular class interval. For example for class interval 800 - 810. Count the number of wages lying between this range using tally marks, and for 800 - 810, 3 wages lie under it.
Tally marks are a quick way of keeping track of numbers in groups of five. One vertical line is made for each of the first four numbers; the fifth number is represented by a diagonal line across the previous four.
Frequency distribution table using the tally marks for the given data is:
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