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2–6BUILD YOUR VOCABULARY (pages 27–28)An outlier is a value that is muchor muchthan the other values in a set of data.EXAMPLE Determine How Outliers Affect MeanWRITE ITWrite a generalstatement that tellshow any outlier mightaffect the mean of aset of data.BASKETBALL Identify the outlier in the data. Then findthe mean with and without the outlier. Describe how theoutlier affects the mean of the data.Points per Game92 102 88 7678 44 98 101100 77 108 86HOMEWORKASSIGNMENTPage(s):Exercises:Compared to the other values, 44 is extremelyis an outlier.. So, itmean with outlier92 + 102 + 88 + 76 + 78 + 44 + 98 + 101 + 100 + 77 + 108 + 86= ____________12= _ 1,050 or12mean without outlier___________92 + 102 + 88 + 76 + 78 + 98 + 101 + 100 + 77 + 108 + 86=11= _ 1,006 or about 91.511The outlier lowers the mean of the data byCheck Your ProgressEXAM SCORES Identify the outlierin the data. Then find the mean ofthe exam scores with and withoutthe outlier. Describe how the outlieraffects the mean of the data.points.Exam Scores84 75 93 8284 36 79 91Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.42 Math Connects, Course 1
2–7 Median, Mode, and RangeMAIN IDEA• Find and interpret themedian, mode, andrange of a set of data.BUILD YOUR VOCABULARY (pages 27–28)The mean, median, and mode are called measures of centraltendancy.The median is the middle number of ordered data. Themode is the number that occurs most often.EXAMPLE Find the Median and the ModeNUTRITION The table showsthe Calorie content ofvarious vegetables. Findthe median and the modeof the data.Number of Calories inSelected Vegetables(per serving)15 35 5031 5 2585 25 2055 15 40Source: The World AlmanacCopyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.REMEMBER ITWhen there is aneven number of datavalues, the median is themean of the two middlenumbers.To find the median, order the data from .median: 5, 15, 15, 20, 25, 25, 31, 35, 40, 50, 55, 85__ =mode: 5, 15, 15, 20, 25, 25, 31, 35, 40, 50, 55, 85The median is . There are two modes, and .Check Your Progress COLLEGE The table shows theages of students at a local college. Find the median and themode of the data.Student Age20 21 19 3519 20 19 1824 19 18 23orMath Connects, Course 1 43
Page 3: ContentsCopyright © Glencoe/McGraw
Page 7 and 8: 1-5 Algebra: Variables and Expressi
Page 9 and 10: C H A P T E R1 Number Patterns and
Page 11: Chapter 1 BUILD YOUR VOCABULARYVoca
Page 14 and 15: 1-2 Prime FactorsMAIN IDEA• Find
Page 16 and 17: 1-3Powers and ExponentsMAIN IDEA•
Page 18 and 19: 1-4 Order of OperationsMAIN IDEA•
Page 20 and 21: 1-4ORGANIZE ITOn the Lesson 1-4 tab
Page 22 and 23: 1-5REMEMBER ITIn algebra, thesymbol
Page 24 and 25: 1-6EXAMPLE Find the Rule for a Func
Page 26 and 27: 1-8 Algebra: EquationsMAIN IDEA•
Page 28 and 29: 1-9Algebra: Area FormulasMAIN IDEA
Page 31 and 32: Chapter 1 BRINGING IT ALL TOGETHER1
Page 33 and 34: C H A P T E R1ChecklistARE YOU READ
Page 35 and 36: P T A E RH C2BUILD YOUR VOCABULARYT
Page 37 and 38: 2-1 Problem-Solving Investigation:M
Page 39 and 40: 2-2Step 1 Decide on a scale and . T
Page 41 and 42: 2-2Check Your Progress SNOWFALL Mak
Page 43 and 44: 2-3Check Your Progress INCOME The a
Page 45 and 46: 2-4ORGANIZE ITUnder Lesson 2-4 in y
Page 47 and 48: 2-5 Line PlotsEXAMPLE Display Data
Page 49: 2-6 MeanMAIN IDEA• Find the mean
Page 53 and 54: 2-7ORGANIZE ITUnder Lesson 2-7 in y
Page 55 and 56: 2-8EXAMPLESSelect an appropriatetyp
Page 57 and 58: 2-9Check Your ProgressGraph -5 on a
Page 61 and 62: Chapter 2 BRINGING IT ALL TOGETHERW
Page 63 and 64: C H A P T E R3Operations with Decim
Page 65 and 66: 3-1Representing DecimalsMAIN IDEA
Page 67 and 68: 3-2Comparing and Ordering DecimalsM
Page 69 and 70: 3-3 Rounding DecimalsEXAMPLE Round
Page 71 and 72: 3-4 Estimating Sums and Differences
Page 73 and 74: 3-4Read the ItemThe addends are clu
Page 75 and 76: 3-5WRITE ITExplain in your ownwords
Page 77 and 78: 3-6 Multiplying Decimals by Whole N
Page 79 and 80: 3-7Multiplying DecimalsEXAMPLES Mul
Page 81 and 82: 3-8Dividing Decimals by Whole Numbe
Page 84 and 85: 3-9EXAMPLES Zeros in the Quotient a
Page 86 and 87: 3-10 Problem-Solving Investigation:
Page 92 and 93: C H A P T E R3ChecklistARE YOU READ
Page 94 and 95: C H A P T E R4BUILD YOUR VOCABULARY
Page 96 and 97: 4-1A Plan for Problem SolvingMAIN I
Page 98 and 99: 4-1EXAMPLESWRITE ITWhy is the great
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4-2BUILD YOUR VOCABULARY (pages 86-
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4-3 Mixed Numbers and Improper Frac
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4-4 Problem-Solving Investigation:M
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4-5EXAMPLE Find the LCMREVIEW ITWhy
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4-6ORGANIZE ITSummarize ways you ca
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4-7 Writing Decimals as FractionsMA
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4-8 Writing Fractions as DecimalsMA
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4-9Algebra: Ordered Pairs and Funct
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4-9EXAMPLESPETS Amelia feeds her do
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Chapter 4 BRINGING IT ALL TOGETHERM
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Chapter 4 BRINGING IT ALL TOGETHER4
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C H A P T E R5Operations with Fract
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5-1 Rounding Fractions and Mixed Nu
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5-2Problem-Solving Investigation: A
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5-3®ORGANIZE ITUse the note cards
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5-4Check Your Progresssimplest form
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5-5 Adding and Subtracting Mixed Nu
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5-5REMEMBER ITUse estimation tochec
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5-6REMEMBER ITPlacing fractions ona
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5-7EXAMPLE Simplify Before Multiply
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5-8Check Your Progress WEIGHT A bag
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5-9Find 5 ÷ 1 _6 .5 ÷ 1_6 = _ 5
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5-10EXAMPLEADVENTURE RACING A team
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C H A P T E R5ChecklistARE YOU READ
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C H A P T E R6BUILD YOUR VOCABULARY
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6-1 Ratios and RatesMAIN IDEA• Ex
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6-2 Ratio TablesMAIN IDEA• Use ra
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6-2BUILD YOUR VOCABULARY (pages 144
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6-3FOOD You can buy 3 medium pizzas
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6-4Algebra: Solving ProportionsEXAM
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6-4EXAMPLE Solve Using Unit RatesWA
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6-6 Sequences and ExpressionsMAIN I
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6-6EXAMPLETEST EXAMPLE The table sh
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6-7Write an equation to find the to
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C H A P T E R6BRINGING IT ALL TOGET
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C H A P T E R7Percent and Probabili
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Chapter 7 BUILD YOUR VOCABULARYVoca
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7-1Check Your Progress Write each p
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7-2Circle GraphsMAIN IDEA• Sketch
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7-2Which two methods of transportat
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7-3EXAMPLES Write a Decimal as a Pe
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7-5Sample SpacesBUILD YOUR VOCABULA
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7-6REVIEW ITUse mental math to solv
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7-8 Estimating with PercentsMAIN ID
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7-8EXAMPLETEST EXAMPLE Clairesurvey
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C H A P T E R8Systems of Measuremen
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Chapter 8 BUILD YOUR VOCABULARYVoca
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8-1Check Your Progress CRAYONS Meas
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8-2EXAMPLES Change Units of WeightE
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8-3REMEMBER ITOne centimeter isabou
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8-4Check Your Progress Write the me
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8-6 Changing Metric UnitsEXAMPLES C
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8-7Measures of TimeEXAMPLE Add Unit
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8-8EXAMPLES Give Reasonable Tempera
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C H A P T E R8ChecklistARE YOU READ
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C H A P T E R9BUILD YOUR VOCABULARY
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9-1 Measuring AnglesMAIN IDEA• Me
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203015030150170109-2Estimating and
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9-3Angle RelationshipsMAIN IDEA•
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9-4 TrianglesBUILD YOUR VOCABULARY
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9-4EXAMPLES Classify a Triangle by
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9-7 Similar and Congruent FiguresMA
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9-7EXAMPLE Identify Similar Figures
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P T A E RH C9ChecklistARE YOU READY
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C H A P T E R10BUILD YOUR VOCABULAR
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10-1PerimeterMAIN IDEA• Find the
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10-2Circles and CircumferenceMAIN I
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10-2Check Your Progress Use a calcu
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10-3Check Your Progress Find the ar
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10-4®ORGANIZE ITWrite the formula
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10-6Volume of Rectangular PrismsMAI
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10-7Surface Area of Rectangular Pri
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C H A P T E R10BRINGING IT ALL TOGE
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Chapter 10 BRINGING IT ALL TOGETHER
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C H A P T E R11Integers and Transfo
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11-1 Ordering IntegersEXAMPLE Compa
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11-2Adding IntegersEXAMPLES Add Int
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11-2KEY CONCEPTAdding Integers The
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11-3WRITE ITThink about the numberl
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11-4Multiplying IntegersEXAMPLES Mu
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11-6Dividing IntegersEXAMPLES Divid
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11-6EXAMPLETEST EXAMPLE A scuba div
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11-7point SStep 1 Start at the orig
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11-8EXAMPLE Graph a TranslationTran
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11-9 ReflectionsMAIN IDEA• Graph
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11-10 RotationsMAIN IDEA• Graph r
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C H A P T E R12Algebra: Properties
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12-1The Distributive PropertyMAIN I
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12-2Simplifying Algebraic Expressio
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12-3Solving Addition EquationsMAIN
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12-1 12-3BUILD YOUR VOCABULARY (pag
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12-4BUILD YOUR VOCABULARY (page 292
Page 311 and 312:
12-5EXAMPLE Solve a Multiplication
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