To determine To match: The correlation coefficients with the scatter diagrams. Explanation The scatter diagram in option (III) shows a moderate linear relation between the response variable and the explanatory variable. So, the correlation coefficient of the diagram can be considered as r = 0.787 . The scatter diagram in option (IV) shows a moderate linear relation between the response variable and the explanatory variable with some outlier values. The outlier values decrease the association between the variables. So, the correlation coefficient of the diagram can be considered as r = 0

Statistics: Informed Decisions Using Data (5th Edition)

5th Edition

ISBN: 9780134133539

Author: Michael Sullivan III

Publisher: PEARSON

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Concept explainers

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as p…

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Chapter 4.1, Problem 13AYU

To determine

To match: The correlation coefficients with the scatter diagrams.

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Chapter 4.1, Problem 12AYU

Chapter 4.1, Problem 14AYU

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Chapter 4 Solutions

Statistics: Informed Decisions Using Data (5th Edition)

Ch. 4.1 - 1. What is the difference between univariate data...Ch. 4.1 - Prob. 2AYU Ch. 4.1 - Prob. 3AYU Ch. 4.1 - 4. What does it mean to say two variables are...Ch. 4.1 - Prob. 5AYU Ch. 4.1 - 6. True or False: If the linear correlation...Ch. 4.1 - 7. A ______ variable is a variable that is related...Ch. 4.1 - Prob. 8AYU Ch. 4.1 - Prob. 9AYU Ch. 4.1 - Prob. 10AYU

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