The table shows lifetimes under controlled conditions, in hours in excess of 1000 hours, of samples of 60W electric ligh

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The table shows lifetimes under controlled conditions, in hours in excess of 1000 hours, of samples of 60W electric ligh

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The Table Shows Lifetimes Under Controlled Conditions In Hours In Excess Of 1000 Hours Of Samples Of 60w Electric Ligh 1
The Table Shows Lifetimes Under Controlled Conditions In Hours In Excess Of 1000 Hours Of Samples Of 60w Electric Ligh 1 (152.01 KiB) Viewed 94 times
The table shows lifetimes under controlled conditions, in hours in excess of 1000 hours, of samples of 60W electric light bulbs of three different brands. Brand 1 2 3 116 18 26 15 22 31 13 20 24 21 16 30 115 24 24 Assuming all lifetimes to be normally distributed with common variances, test at 1% level of significance, the hypothesis that there is no difference between the three brands with respect to mean lifetime. What is v2 for this? Answer:
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