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Chapter 07 Chi Square
- 5. 6.1.2 χ 2 Test for Goodness of Fit (Large Sample) Table1 Frequency distribution and goodness of fit based on 136 measurements to the phantom( 体模 ) intervals A Φ (X 1 ) Φ (X 2 ) P (X) T=n* P (X) (A-T) 2 /T 1.228- 2 0.00069 0.00466 0.00397 0.5405 3.94143 1.234- 2 0.00466 0.02275 0.01809 2.4601 0.08605 1.240- 7 0.02275 0.08076 0.05801 7.8889 0.10016 1.246- 17 0.08076 0.21186 0.13110 17.8294 0.03859 1.252- 25 0.21186 0.42074 0.20888 28.4083 0.40892 1.258- 37 0.42074 0.65542 0.23468 31.9167 0.80961 1.264- 25 0.65542 0.84134 0.18592 25.2855 0.00322 1.270- 16 0.84134 0.94520 0.10386 14.1244 0.24906 1.276- 4 0.94520 0.98610 0.04090 5.5618 0.43858 1.282- 1 0.98610 0.99744 0.01135 1.5434 0.19130 合 计 - - - - - 6.26692
- 22. The Probability Expressions H 0 : c1 = r1 H 1 : c1 r1 Since c1 = 11 + 21, r1 = 11 + 12 , This test becomes: H 0 : 12 = 21 , H 1 : 12 21 Trt A Trt B Total + - + 11 (a) 12 (b) r1 - 21 (c) 22 (d) r2 Total c1 c2 1.0
- 24. 6.4 The 2 Test for R×C Contingency Table
- 26. 6.4.2 Multiple comparison for R×C Table control group + - I II III IV V … … … … … … … … … … VI … …