A sample of 11 circuits from a large normal population has a
mean resistance of 2.20...
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A sample of 11 circuits from a large normal population has amean resistance of 2.20 ohms. We know from past testing that thepopulation standard deviation is 0.35 ohms.
1. Determine a 95% confidence interval for the true meanresistance of the population.
2. In part 1 above, do you need any assumptions, if yes what, ifno why.
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1 Level of Significance 005 z value z 2 19600 Excel
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