INTRODUCTION TO STATISTICS & DATA ANALYS
6th Edition
ISBN: 9780357420447
Author: PECK
Publisher: CENGAGE L
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Textbook Question
Chapter 5, Problem 79CR
Consider the four (x, y) pairs (0, 0), (1, 1), 1, –1), and (2, 0).
- a. What is the value of the sample
correlation coefficient r? - b. If a fifth observation is made at the value x = 6, find a value of y for which r > 0.5.
- c. If a fifth observation is made at the value x = 6, find a value of y for which r < 0.5.
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INTRODUCTION TO STATISTICS & DATA ANALYS
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