The following information was obtained from two independent samples selected from two normally distributed populations with unknown but **equal** standard deviations.
n1=43; x1¯=74.17 s1=7.42n2=65; x2¯=70.88; s2=8.19Find a point estimate and a 95% confidence interval for μ1−μ2
For the following, round all answers to no fewer than 4 decimal places.
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