Basic Concepts in Economics
The Economy of Maharashtra
Rural Development in India
Population in India
Unemployment in India
Poverty in India
Economic Policy of India since 1991
Economic Planning in India
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A company produces tables which are packed in batches of 100. An analysis of the defective tubes in different batches has received the following information:
|No. of defective tubes||Less than 5||5 – 9||10 – 14||15 – 9||20 – 24||25 – 29||30 and above|
|No. of tubes||45||51||84||39||20||8||4|
Estimate the number of defective tubes in the central batch.
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