e. Calculate the degrees of freedom Percentage Points of the Chi-Square Distribution Degrees of Freedom Probability of a larger value of x² 0.99 0.95 0.90 0.75 0.50 0.25 0.10 0.05 0.01 P-value 1 0.000 0.004 0.016 0.102 0.455 1.32 2.71 3.84 6.63 2 0.020 0.103 0.211 0.575 1.386 2.77 4.61 5.99 9.21 Critical 3 0.115 0.352 0.584 1.212 2.366 4.11 6.25 7.81 11.34 4 0.297 0.711 1.064 1.923 3.357 5.39 7.78 9.49 13.28 value 5 0.554 1.145 1.610 2.675 4.351 6.63 9.24 11.07 15.09 Which is the correct degrees of freedom calculation? Circle the correct answer (0.25 point) a) 3 genotypes - 2 alleles = 1 b) 3 genotypes - 1 allele = 2 c) 3 alleles – 2 genotypes = 1 d) 3 alleles – 1 genotype = 2 f. What is the correct p-value. Circle the correct answer. (0.5 point). a) P<0.05 b) P>0.05 c) P=0.05
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Calculate the degrees of freedom Percentage Points of the Chi-Square Distribution Degrees of Freedom 1 2 3 4 5 Probability of a larger value of 2 0.90 0.75 0.50 0.25 0.10 0.016 0.102 0.455 1.32 2.71 0.211 0.575 1.386 2.77 4.61 0.584 1.212 2.366 4.11 6.25 1.064 Show more…
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Alleles A/a and B/b are alleles from two different loci. A cross between AaBb x AaBb will produce offspring with expected phenotypic ratio of 9:3:3:1. Assuming the results in Table 5 were obtained from a dihybrid cross. Complete Table 5 and calculate X². Table 5. Results of dihybrid cross. The expected probability of aabb = ______. Degrees of freedom (df) = ______. p-value range = ______. You reject / fail to reject the null hypothesis of the chi-square test. (circle the answer)
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4. Alleles A/a and B/b are alleles from two different loci. A cross between AaBb x AaBb will produce offspring with expected phenotypic ratio of 9:3:3:1. Assuming the results in Table 5 were obtained from a dihybrid cross. Complete Table 5 and calculate X2. Table 5. Results of dihybrid cross. Genotype | Observed Number (O) | Expected Number (E) | Deviation (O - E) | (O - E)2 | (O - E)2/E A-B- | 429 | | | | A-bb | 81 | | | | aaB- | 89 | | | | aabb | 41 | | | | Total | 640 | | | X2 = The expected probability of aabb = __________ Degrees of freedom (df) = __________ p-value range = __________ You reject / fail to reject the null hypothesis of the chi-square test. (circle the answer)
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