STUDY GUIDE ANSWERS Part 2

Tutorial 2 n1 20 n2 30 s1 851 s 2 729 s1 pooled

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Unformatted text preview: oled-variances t test: 4.6 = 3.24 1.418 72.42; s 2 2 53.14 t 29.63 26.04 60.77 df = 48, 1 20 3.59 3.59 = 1.60 2.25 5.0642 1 30 = .05, two-tailed tcrit= 2.01 > 1.60; therefore the difference is not significant Separate-variances t test: t 29.63 26.04 3.59 72.42 20 5.392 53.14 30 3.59 = 1.55 2.32 Modeling: Younger vs. Older 2 n1 52; n2 20; s1 6.69; s 2 8.51; s1 44.76; s 2 2 72.42 Pooled-variances t test: t 36.74 29.63 52.27 df = 70, 1 52 7.11 7.11 = 3.74 1.9023 3.6187 1 20 = .05, two-tailed tcrit= 2.0 < 3.74; t...
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This note was uploaded on 08/18/2013 for the course STATS 101 taught by Professor Wallacesherman during the Fall '12 term at Dunwoody.

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