Mathematics, 12.11.2019 05:31 jkortis15
Suppose frances is a researcher at beaded gemsz, a company that makes beaded jewelry. she wants to evaluate whether using better equipment during the current year has increased jewelry-making productivity. the company's reporting team estimated an average daily production yield of 105 units per store from previous years. frances conducts a one-sample z-z- test with a significance level of 0.100.10 , acquiring daily unit yield data from each of the stores' databases for 45 randomly selected days of the year. she obtains a p-valuep-value of 0.090.09 . the power of the test to detect a production increase of 12 units or more is 0.980.98 . what is the probability that frances concludes that the new equipment increases the average daily jewelry production when in fact the new equipment has no effect
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Suppose frances is a researcher at beaded gemsz, a company that makes beaded jewelry. she wants to e...
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