Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 2 - Data - Exercises - Page 16: 13

Answer

Who: 54 bears; Cases: Each bear is a case; What: Weight, neck size, length, and sex; When: Not specified; Where: Not specified; Why: To estimate weight from easier-to-measure variables; How: Researchers collected data on 54 bears they were able to catch. Variable: Weight; Type: Quantitative; Units: Not specified; Variable: Neck size; Type: Quantitative; Units: Not specified; Variable: Length; Type: Quantitative; Units: Not specified; Variable: Sex; Type: Categorical

Work Step by Step

Who: 54 bears; Cases: Each bear is a case; What: Weight, neck size, length, and sex; When: Not specified; Where: Not specified; Why: To estimate weight from easier-to-measure variables; How: Researchers collected data on 54 bears they were able to catch. Variable: Weight; Type: Quantitative; Units: Not specified; Variable: Neck size; Type: Quantitative; Units: Not specified; Variable: Length; Type: Quantitative; Units: Not specified; Variable: Sex; Type: Categorical
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