The following data represent the length of​ time, in​ days, to recovery for patients randomly treated with one of two medications to clear up severe bladder infections. Find a 90​% confidence interval for the difference  μ2−μ1 between in the mean recovery times for the two​ medications, assuming normal populations with equal variances. Medication 1

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.