6th Edition

ISBN: 9780134434681

Author: Tom Pirnot

Publisher: PEARSON

Concept explainers

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

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Textbook Question

Chapter 14.2, Problem 40E

Example 6 Using Stem-and-Leaf Home Run Records from Two Eras

The following are the numbers of home runs hit by the home run champions in the National League for the years 1975 to 1989 for the 2001 to 2015.

a. 1975 − 1989 : 38 , 38 , 52 , 40 , 48 , 48 , 31 , 37 , 40 , 36 , 37 , 37 , 49 , 39 , 47

b. 2001 − 2015 : 73 , 49 , 47 , 48 , 51 , 58 , 50 , 48 , 47 , 42 , 39 , 41 , 36 , 37 , 42

Compare these home run records using a stem-and-leaf display.

In considering your answer to Exercise 39, which do you feel conveys the home run information better the stem-and-leaf displays or the box-and-whisker plots?

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Chapter 14.2, Problem 39E

Chapter 14.2, Problem 41E

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Chapter 14 Solutions

Mathematics All Around (6th Edition)

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Solution Summary: The author analyzes the numbers of home runs hit by the home run champions in the National League for the years 1975 to 1989 and 2001 to 2015.

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Chapter 14 Solutions