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: Medication 1 14 17 s² 1.5 Find a 99% confidence interval for the difference 2-μ₁ in the mean recovery times for the two medications, assuming normal populations with equal variances Medication 2 16 19 1.8 n

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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:
n
Medication 1
14
17
1.5
Medication 2
16
0.314H₂H₁ <3.686
19
1.8
s²
Find a 99% confidence interval for the difference ₂-₁ in the
mean recovery times for the two medications, assuming normal
populations with equal variances
Transcribed Image Text: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: n Medication 1 14 17 1.5 Medication 2 16 0.314H₂H₁ <3.686 19 1.8 s² Find a 99% confidence interval for the difference ₂-₁ in the mean recovery times for the two medications, assuming normal populations with equal variances
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