Statistics: The Art and Science of Learning from Data (4th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
4th Edition
ISBN: 9780321997838
Author: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
Publisher: PEARSON
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Chapter 12.2, Problem 11PB

t-score? A regression analysis is conducted with 25 observations.

  1. a. What is the df value for inference about the slope β?
  2. b. Which two t test statistic values would give a P-value of 0.05 for testing H0: β = 0 against Ha: β ≠ 0?
  3. c. What is the value of the t-score that you multiply the standard error by to find the margin of error for a 95% confidence interval for β?
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Chapter 12 Solutions

Statistics: The Art and Science of Learning from Data (4th Edition)

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