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The Excel/Mega-Stat output given above summarizes the results of a one-way analysis of variance in an attempt to compare the performance characteristics of four brands of vacuum cleaners.The response variable is the amount of time it takes to clean a specific size room with a specific amount of dirt. Use the information above and determine an individual 95% confidence interval for
.The mean and sample sizes for brand 1 and brand 2 are as follows:
1 = 2.95,
2 = 2.28,n1 = 4 and n2 = 5.
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