7th Grade Math

Contents

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Are You Ready for the Chapter?.................................... 488

Writing Math..................................................... 489

Measures of Central Tendency

Multi-Part

Lesson 1

A^ EExxppllooorreee^ Changes in Data Values...........................^490

(^) B Measures of Central Tendency............................. 491
(^) C EExxtteeennnddd Spreadsheet: Mean, Median, Mode................. 497
Measures of Variation
Multi-Part
Lesson 2
(^) A Measures of Variation.................................... 498
(^) B Box-and-Whisker Plots................................... 504
Problem Solving in Environmental Science......................... 510
Mid-Chapter Check............................................... 512
Statistical Displays
Multi-Part
Lesson 3
(^) A EExxppllooorreee Circle Graphs................................... 513
(^) B Circle Graphs........................................... 514
(^) C Histograms............................................. 520
(^) D EExxtteeennnddd Graphing Technology: Histograms................. 525
E^ Stem-and-Leaf Plots.....................................^526
More Statistical Displays
Multi-Part
Lesson 4
(^) A Problem-Solving Investigation: Use a Graph.............. 532
(^) B Scatter Plots and Lines of Best Fit.......................... 534
(^) C Select an Appropriate Display............................. 540
Chapter Study Guide and Review.................................. 546
Practice Chapter Test............................................. 550
Preparing for Standardized Tests.................................. 551
Test Practice..................................................... 552
Statistical Displays
9
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