Ex 5.1, 4 - Chapter 5 Class 8 Data Handling

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Ex 5.1, 4Draw a histogram for the frequency table made for the data in question 3, and answer the following questions.Ex 5.1, 4(i) Which group has the maximum number of workers?. Since the bar 830 − 840 is highest, ∴ It has the maximum number of workers Ex 5.1, 4 (ii) How many workers earn Rs 850 and more?Number of workers earning Rs 850 and more = No. of workers Earning Rs 850 − 860 + No. of workers Earning Rs 860 − 870 + No. of workers Earning Rs 870 − 880 + No. of workers Earning Rs 880 − 890 + No. of workers Earning Rs 890 − 900 = 1 + 3 + 1 + 1 + 4 = 10 Workers Ex 5.1, 4 (iii) How many workers earn less than Rs 850? Number of workers earning less than Rs 850 and more = No. of workers Earning Rs 800 − 810 + No. of workers Earning Rs 810 − 820 + No. of workers Earning Rs 820 − 830 + No. of workers Earning Rs 830 − 840 + No. of workers Earning Rs 840 − 850 = 3 + 2 + 1 + 9 + 5 = 20 Workers