Concept explainers
To identify the correct interpretation of the value of
Answer to Problem 19PT3
Option e is correct
Explanation of Solution
Given information:
Given the
i.e. r = 0.96
From the given value of correlation coefficient, the value of coefficient of determination is obtained and which is nothing but the square of correlation coefficient r.
i.e.
Generally, the value of coefficient of determination explains the proportion of variation in the dependent variable can be explained by the independent variable.
Therefore, the we can conclude that 92 % of the variation in first-year sales can be explained by proportion of people who have heard of the product by the end of the second month as the explanatory variable.
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Introductory Statistics (10th Edition)
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Essentials of Statistics, Books a la Carte Edition (5th Edition)
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