From mean to median to probability - crunch the numbers with ease
Got a grasp on the terms and concepts you need to know, but get lost halfway through a problem or, worse yet, not know where to begin? Have no fear! This hands-on guide focuses on helping you solve the many types of statistical calculations and problems you encounter in a focused, step-by-step manner. With just enough refresher explanations before each set of problems, you'll sharpen your skills and improve your performance. You'll see how to work with percents, graphs, charts, margin of error, hypotheses, polls and surveys, and more!
100s of Problems! * Step-by-step answer sets clearly identify where you went wrong (or right) with a problem * The inside scoop on analyzing and interpreting data * Know where to begin and how to solve the most common problems * How to guesstimate with confidence
Deborah Rumsey is a statistics instructor and the author of Statistics For Dummies.