Statistics Through Applications
Statistics Through Applications
2nd Edition
ISBN: 9781429219747
Author: Daren S. Starnes, David Moore, Dan Yates
Publisher: Macmillan Higher Education
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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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Question
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Chapter 4.1, Problem 4.15E
To determine

To find out the measure of the correlation between GPA and exam score if we have data on the current GPA of students in a basic statistics course.

Expert Solution & Answer
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Answer to Problem 4.15E

The correlation r will be close to 1 .

Explanation of Solution

We expect the relationship to be a strong positive association as the GPA increases, the exam scores increases and thus we can expect that correlation r is close to 1 .

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Chapter 4.1, Problem 4.14E
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Chapter 4.1, Problem 4.16E

Chapter 4 Solutions

Statistics Through Applications

Ch. 4.1 - Prob. 4.1ECh. 4.1 - Prob. 4.2ECh. 4.1 - Prob. 4.3ECh. 4.1 - Prob. 4.4ECh. 4.1 - Prob. 4.5ECh. 4.1 - Prob. 4.6ECh. 4.1 - Prob. 4.7ECh. 4.1 - Prob. 4.8ECh. 4.1 - Prob. 4.9ECh. 4.1 - Prob. 4.10E
Ch. 4.1 - Prob. 4.11ECh. 4.1 - Prob. 4.12ECh. 4.1 - Prob. 4.13ECh. 4.1 - Prob. 4.14ECh. 4.1 - Prob. 4.15ECh. 4.1 - Prob. 4.16ECh. 4.1 - Prob. 4.17ECh. 4.1 - Prob. 4.18ECh. 4.1 - Prob. 4.19ECh. 4.1 - Prob. 4.20ECh. 4.1 - Prob. 4.21ECh. 4.1 - Prob. 4.22ECh. 4.1 - Prob. 4.23ECh. 4.1 - Prob. 4.24ECh. 4.1 - Prob. 4.25ECh. 4.1 - Prob. 4.26ECh. 4.2 - Prob. 4.27ECh. 4.2 - Prob. 4.28ECh. 4.2 - Prob. 4.29ECh. 4.2 - Prob. 4.30ECh. 4.2 - Prob. 4.31ECh. 4.2 - Prob. 4.32ECh. 4.2 - Prob. 4.33ECh. 4.2 - Prob. 4.34ECh. 4.2 - Prob. 4.35ECh. 4.2 - Prob. 4.36ECh. 4.2 - Prob. 4.37ECh. 4.2 - Prob. 4.38ECh. 4.2 - Prob. 4.39ECh. 4.2 - Prob. 4.40ECh. 4.2 - Prob. 4.41ECh. 4.2 - Prob. 4.42ECh. 4.2 - Prob. 4.43ECh. 4.2 - Prob. 4.44ECh. 4.2 - Prob. 4.45ECh. 4.2 - Prob. 4.46ECh. 4.2 - Prob. 4.47ECh. 4.2 - Prob. 4.48ECh. 4.2 - Prob. 4.49ECh. 4.2 - Prob. 4.50ECh. 4.2 - Prob. 4.51ECh. 4.2 - Prob. 4.52ECh. 4.2 - Prob. 4.53ECh. 4.2 - Prob. 4.54ECh. 4 - Prob. 4.55RECh. 4 - Prob. 4.56RECh. 4 - Prob. 4.57RECh. 4 - Prob. 4.58RECh. 4 - Prob. 4.59RECh. 4 - Prob. 4.60RECh. 4 - Prob. 4.61RECh. 4 - Prob. 4.62RECh. 4 - Prob. 4.63RECh. 4 - Prob. 4.64RE

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