Computer Science, asked by npcict2019, 6 hours ago

9. In a random sample of 900 school boys from a school A, 20% were found to have defective eye sight. In another school B, 15% of random sample of 1900 school boys had the same defect. Is the difference between two percentages significant

Answers

Answered by Tcislearner0604

0

Answer:

The difference is 5% and it is significant

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