The standard error can be computed next: \(\sqrt=0.697\) The point estimate, or "best estimate," is the difference in sample means: \(\overline x _1 - \overline x_2 = 41.48-40.79=0.69\) She wants to construct a 95% confidence interval to estimate the mean difference. She collected the following data from a sample of students: Descriptive Statistics A STAT 200 instructor wants to know how traditional students and adult learners differ in terms of their final exam scores.
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