Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below: n1=37, x¯1=51.3, s1=5.8 n2=36, x¯2=77.4,...

Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below:

Find a 98% confidence interval for the difference μ1−μ2 of the means, assuming equal population variances.

Confidence Interval =