Math, asked by manikantareddybokka1, 4 months ago

A company produces two types of bulbs A and B. 200 bulbs of each make were tested and it was found that the make A had mean life of 2560 hours and standard deviation 90 hours, whereas make B had 2650 hours mean life and standard deviation 75 hours. Is there a significant difference between the mean lives of two makes?

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Answered by nkkhan0

1

Answer:

2560655533655443333444

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