Chapter 19

Math Review: Ten Steps to a Better Grade


Bullet Getting comfortable with math formulas and calculations

Bullet Being watchful to avoid common math mistakes

Bullet Reviewing your answers with a critical eye

Statistics and math are very different subjects, but you use a certain amount of mathematical tools to do statistical calculations. Sometimes you can understand the statistical idea but get bogged down in the formulas and calculations and end up getting the wrong answer. This chapter helps you avoid making the common math mistakes that can cost you points on homework and exams. Read on to increase your confidence with the math tools you need for statistics.

Know Your Math Symbols

The most basic math symbols are math, math, * (multiplication), and math (division); but have you ever seen a sign? It means plus or minus and indicates a lower bound and an upper bound for your answer. Other ...

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