In the following table, the toll paid by drivers and the number of vehicles is shown.
Find the mean of the toll by 'assumed mean' method.
Toll (Rupees) 300-400 400-500 500-600 600-700 700-800
No. of vehicles 80 110 120 70 40
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∴ The mean of the toll paid by the drivers is Rs. 521.43.Read more-drivers-number-vehicles-shown-find-mean-toll-assumed-mean-method
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