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 99​% 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 n1=13 x1=15 s21=1.9 Medication 2 n2=10 x2=19 s22=1.7

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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.