A sample of students attending a large university has been selected. Is there a statistically significant difference (with α = .01) between Liberal Arts majors and other students on average number of books (other than those required by course work) read per year? Use the five-step model, show your work, and write a sentence or two interpreting your results. [Note: test statistic(obtained) = 4.81]
Liberal Arts Other
x̅1 16.2 x̅2 = 13.7
s1= 2.3 s2 = 9.0
N1 = 236 N2 = 321
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