Mathematics, 26.11.2019 06:31, farhan61
Compute the lower and upper limits of a 95% confidence interval to estimate the difference of the mean checkout times for all customers. estimate the difference for the old machine minus the new machine, so that a positive result reflects faster checkout times with the new machine. use the satterthwaite approximate degrees of freedom, 94.99897. give your answers precise to at least three decimal places.
Answers: 2
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