Screen Shot 2019-10-08 at 12.31.29 AM.png - < a l Not Secure— phschoolmom C I m on 7.31 v 0 4.977 on 24.0 Correct This is obtained by usingthe

# Screen Shot 2019-10-08 at 12.31.29 AM.png - < a l Not...

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Unformatted text preview: < ) a l Not Secure— phschoolmom C I m on. 7.31 v 0:. 4.977 on. 24.0 Correct! This is obtained by usingthe formula: )(2 = the sum of [o _ E): E 4. How many degrees offreedom are there forthese data? 0a. 1 Oh. 2 If 0c. 3 0d. 4 Correct! There are 4 categories minus 1 = 3 degrees of freedom. 5. Compare the chi-square value obtained in Question 3 with the Critical Values Table below for p= 0.05. Which of the following statements would be true? Degrees of freedom (df) Prahabllitym 1 2 3 4- 5 0.05 3.84 5.99 7.82 9.49 11.1 0.01 6.64 9.21 11.3 13.2 15.1 0.001 10.3 13.3 16.3 18.5 20.5 I o a. Since the calculated value for chi-square is less than 7.82, the results support the hypothesis that the parents are heterozygous for two unlinked traits. O b. Since the calculated value for chi-square is less than 7.32, the results support the hypothesis that eye color and wings are linked. O c. Since the calculated value for chi-square is less than 7.82, the results are inconclusive The experiment should be repeated. 0 d. Since the calculated value for chi-square is so large, the variations from the expected are excessive. The experiment should be repeated. Correct! The expected results are based on obtaining a 9:3:3:1 ratio from two heterozygous parents. Since the chi-square value is below 7.82. the results are statistically signiﬁcant. Gil-dc You Arum I ‘- Back to uhﬂanch Home ...
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