Concepts of Genetics (12th Edition)
Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Chapter 25, Problem 2NST

The following table shows measurements for fiber lengths and fleece weight in a small flock of eight sheep.

Chapter 25, Problem 2NST, The following table shows measurements for fiber lengths and fleece weight in a small flock of eight , example  1

Chapter 25, Problem 2NST, The following table shows measurements for fiber lengths and fleece weight in a small flock of eight , example  2

  1. (a) What are the mean, variance, and standard deviation for each trait in this flock?
  2. (b) What is the covariance of the two traits?
  3. (c) What is the correlation coefficient for fiber length and fleece weight?
  4. (d) Do you think greater fleece weight is correlated with an increase in fiber length? Why or why not?

This problem provides data for two quantitative traits in a flock of sheep. After making numerous statistical calculations, you are asked in part (d) to determine if the traits are correlated.

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Concepts of Genetics (12th Edition)

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