Question: One semester, an instructor taught the same computer course at two universities located in different cities. He was able to give the same final at

One semester, an instructor taught the same computer course at two universities located in different cities. He was able to give the same final at both locations. The student's scores provided the summary statistics.

(a) Obtain a point estimate of Î¼1 - Î¼2.
(b) Estimate the S.E.( - ).
(c) Construct a 95% confidence interval for Î¼1 - Î¼2.

Sample 1 52 151 Sample 2 n2 44 y66 $2142

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