STUDY GUIDE ANSWERS Part 2

11 711 374 19023 36187 1 20 05 two tailed tcrit

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Unformatted text preview: herefore the difference is significant Separate-variances t test: t 36.74 29.63 7.11 44.76 52 4.4818 72.42 20 7.11 = 3.32 1.9023 Tutorial: Younger vs. Older 2 n1 45; n2 30; s1 7.19; s 2 7.29; s1 51.70; s 2 2 53.14 Pooled-variances t test: t 32.14 26.04 52.27 df = 73, 1 45 1 30 t 6.10 2.9038 6.10 = 3.58 1.704 = .05, two-tailed tcrit= 2.0 < 3.58; therefore the difference is significant Separate-variances t test: 32.14 26.04 t 51.70 45 53.14 30 6.10 2.92 6.10 = 3.57 1.71 Because the variances are very simila...
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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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