Subject:StatisticsPrice:2.86 Bought7
Q7) Using 6.84 as a planning value for the population standard deviation.
1. What sample size is required to obtain a margin of error of 1.5 and a level of confidence of 0.95? ____________
2. What sample size is required to obtain a margin of error of 2 and a level of confidence of 0.90? ____________
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