Number Power 8: Analyzing Data

by Contemporary

• ISBN13: 9780809223848
• ISBN10: 0809223848
• Edition: 1st
• Format: Paperback
• Copyright: 2001-02-09
• Publisher: McGraw Hill

Summary

Number Power Series (Revised) The first choice for those who want to develop and improve their math skills. Every Number Power book targets a particular set of math skills with straightforward explanations, easy-to-follow, step-by-step instruction, real-life examples, and extensive reinforcement exercises. Use these texts across the full scope of the basic math curriculum, from whole numbers to pre-algebra and geometry. NUMBER POWER 8: ANALYZING DATA Key concepts in analyzing data, creating and interpreting charts and graphs, working with statistics, and understanding probability.

Table of Contents

To the Student	vii
Analyzing Data Pretest	1	(6)
BUILDING NUMBER POWER	7	(160)
Understanding Data
Defining Data	8	(3)
Making Statements About Data	11	(2)
What Are Statistics?	13	(3)
Comparing Numbers	16	(3)
How Big Is a Billion?	19	(3)
Numbers vs. Rates	22	(4)
Group Project: Collecting Data	26	(2)
Organizing Data
Tables and Charts	28	(4)
Bar Graphs	32	(4)
Double Bar Graphs	36	(2)
Line Graphs	38	(2)
More Line Graphs	40	(3)
Visual Statistics	43	(1)
Pictographs	44	(2)
Circle Graphs	46	(3)
Line Plots	49	(3)
Scatter Diagrams	52	(2)
Arithmetic Mean	54	(2)
Median	56	(1)
Mode	57	(1)
Mean, Median, and Mode	58	(1)
Critical Thinking with Data	59	(1)
Group Project: Organizing Data	60	(2)
Analyzing Data
The Purpose of a Graph or Chart	62	(5)
Reading Data: Be Specific	67	(3)
Reading Data: Using Only the Information Given	70	(3)
The Language of Estimation	73	(2)
Accurate Estimating	75	(3)
Using More than One Data Source	78	(3)
Putting Data in Different Forms	81	(5)
Seeing Trends/Making Predictions	86	(4)
Group Project: Summarizing Your Data	90	(2)
Using Probability and Statistics
What Are the Chances?	92	(2)
Probabilities Between 1 and 0	94	(2)
Using Data to Estimate Probability	96	(3)
An Introduction to Sampling	99	(3)
Random Samples	102	(3)
An Introduction to Surveys	105	(4)
Margin of Error	109	(3)
Group Project: Write Your Own Survey	112	(2)
Evaluating Data
Do Statistics Lie?	114	(2)
Drawing Conclusions from Data	116	(4)
Misinterpreting Graphs	120	(4)
The Importance of Zero on a Scale	124	(3)
Understanding Correlation	127	(5)
Bias in Surveys and Statistics	132	(6)
Critical Thinking with Data	138	(4)
Group Project: A Closer Look at Surveys	142	(2)
Posttest A	144	(11)
Posttest B	155	(12)
USING NUMBER POWER	167	(11)
A Look at the U.S. Census	168	(2)
Are You Average?	170	(2)
Writing a Newspaper Article	172	(2)
A Look at Political Polling in History	174	(2)
Numbers in Advertising	176	(2)
Answer Key	178	(12)
Using a Calculator	190	(1)
Using Mental Math	191	(1)
Using Estimation	192	(1)
Measurements	193	(1)
Glossary	194	(3)
Index	197