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 3.1, Problem 3.2E

(a)

To determine

To explain the 80th percentile of his all races and the 50th percentile in the league.

(a)

Expert Solution
Check Mark

Explanation of Solution

A percentile defines that a certain percent of data falls less than that now the 80th percentile of all his races so far means that his performance is better than 80% of the previous his performance, while the 50th percentile in league means that the runner is better than the 50% of the other racers.

(b)

To determine

To explain the 50th percentile all her swim meet and 80th percentile in league swim meet.

(b)

Expert Solution
Check Mark

Explanation of Solution

The 50th percentile of all her swim meet means that the performance of her is better than her 50% of the earlier swim meet and the 80th percentile in league swim meet means that her performance in league is better than 80% of the other swimmers.

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Chapter 3.1, Problem 3.1E
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Chapter 3.1, Problem 3.3E

Chapter 3 Solutions

Statistics Through Applications

Ch. 3.1 - Prob. 3.1ECh. 3.1 - Prob. 3.2ECh. 3.1 - Prob. 3.3ECh. 3.1 - Prob. 3.4ECh. 3.1 - Prob. 3.5ECh. 3.1 - Prob. 3.6ECh. 3.1 - Prob. 3.7ECh. 3.1 - Prob. 3.8ECh. 3.1 - Prob. 3.9ECh. 3.1 - Prob. 3.10E
Ch. 3.1 - Prob. 3.11ECh. 3.1 - Prob. 3.12ECh. 3.1 - Prob. 3.13ECh. 3.1 - Prob. 3.14ECh. 3.1 - Prob. 3.15ECh. 3.1 - Prob. 3.16ECh. 3.1 - Prob. 3.17ECh. 3.1 - Prob. 3.18ECh. 3.1 - Prob. 3.19ECh. 3.1 - Prob. 3.20ECh. 3.2 - Prob. 3.21ECh. 3.2 - Prob. 3.22ECh. 3.2 - Prob. 3.23ECh. 3.2 - Prob. 3.24ECh. 3.2 - Prob. 3.25ECh. 3.2 - Prob. 3.26ECh. 3.2 - Prob. 3.27ECh. 3.2 - Prob. 3.28ECh. 3.2 - Prob. 3.29ECh. 3.2 - Prob. 3.30ECh. 3.2 - Prob. 3.31ECh. 3.2 - Prob. 3.32ECh. 3.2 - Prob. 3.33ECh. 3.2 - Prob. 3.34ECh. 3.2 - Prob. 3.35ECh. 3.2 - Prob. 3.36ECh. 3.2 - Prob. 3.37ECh. 3.2 - Prob. 3.38ECh. 3.2 - Prob. 3.39ECh. 3.2 - Prob. 3.40ECh. 3.2 - Prob. 3.41ECh. 3.2 - Prob. 3.42ECh. 3.2 - Prob. 3.43ECh. 3.2 - Prob. 3.44ECh. 3.2 - Prob. 3.45ECh. 3.2 - Prob. 3.46ECh. 3 - Prob. 3.47RECh. 3 - Prob. 3.48RECh. 3 - Prob. 3.49RECh. 3 - Prob. 3.50RECh. 3 - Prob. 3.51RECh. 3 - Prob. 3.52RECh. 3 - Prob. 3.53RECh. 3 - Prob. 3.54RECh. 3 - Prob. 3.55RECh. 3 - Prob. 3.56RE

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