You may need to use the appropriate appendix table or technology to answer this question. A sample of 225 elements from
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You may need to use the appropriate appendix table or technology to answer this question. A sample of 225 elements from
You may need to use the appropriate appendix table or technology to answer this question. A sample of 225 elements from a population with a standard deviation of 60 is selected. The sample mean is 190. Find the 98% confidence interval for u. O 130 to 250 O 180.695 to 199.305 O 185 to 195 O 181.8 to 198.2
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