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4.Draw a histogram for the frequency table made for the data in Question 3, and answer the following questions:
(i) Which group has the maximum number of workers?

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

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


Answer :

Histogram for the given data in question 3 is shown as:


From the above histogram, clearly we see that,

(i) The group 830-840 has the maximum number of workers i.e, 9.

(ii) The number of workers who earn equal and more than ₹ 850 are 1 + 3 + 1 + 1 + 4, i.e., 10.

(iii) The number of workers who earn less than ? 850 are 3 + 2 + 1 + 9 + 5, i.e., 20.

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