Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...
Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ... Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...
2–7BUILD YOUR VOCABULARY (pages 27–28)The range of a set of data is the betweenthe and the values of the set.EXAMPLE Find the RangeTEMPERATURE The high temperatures for Las Vegas lastweek were 65°, 68°, 72°, 65°, 80°, 55°, and 65°. Find therange of the data. Then write a sentence that describeshow the data vary.The highest temperature is. The lowest temperatureis . So, the range is - or 25°. The range isrelatively small, so the data are fairly close in value.Check Your Progress GYMS The number of peopleattending a gym class Monday through Saturday were 25, 74,48, 32, 61, and 54. Find the range of the data. Then write asentence that describes how the data vary.EXAMPLETEST EXAMPLE The tableshows the number of hot dogseaten by each contestantat a hot dog eating contest.Which statement is supportedby the data in the table?Number of Hot Dogs Eaten22 19 29 32 2049 23 37 22 2215 29 18 10 25A If the number of hot dogsSource: Nathan’s Famouseaten were distributed equallyamong all the contestants, each player would have eaten39 hot dogs.B Half the contestants ate more than 20 hot dogs and half ateless than 20 hot dogs.C Most of the contestants ate 22 hot dogs.D The range of the numbers of hot dogs eaten is not veryspread out.Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.44 Math Connects, Course 1
2–7ORGANIZE ITUnder Lesson 2-7 in yourFoldable, explain median,mode, and range are andhow to find them.® Read the ItemThe answer choices refer to the mean, median, mode, andrange.Solve the Item Find the mean, median, mode, and range.mean:_____________22 + 19 + 29 + 32 + 20 + 49 + 23 + 37 + 22 + 22 + 15 + 29 + 18 + 10 + 2515= ormedian:10, 15, 18, 19, 20, 22, 22, 22, 23, 25, 29, 29, 32, 37, 49 =mode: range: − =Determine which measure is referred to in each answer choice.Choice A refers to the mean, but the correct mean is ,not 39.Choice B refers to the median, but the correct median is ,not 20.Choice C refers to the mode, which is .Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.HOMEWORKASSIGNMENTPage(s):Exercises:Choice D refers to the range, but the range ofspread out.The correct answer is .Check Your ProgressMULTIPLE CHOICE Whichstatement is supported bythe data in the table?isAverage Annual Precipitation(days) in Selected SouthwesternU.S. Cities59 32 72 2636 36 52 5290 43 63F Half the cities have more than 50 days of precipitation andhalf have less than 50 days of precipitation.G If the number of days of precipitation were distributedequally among all the cities, each city would have 51 days ofprecipitation.H The range of the numbers of days of precipitation is not veryspread out.J Most of the cities have 36 days of precipitation.Math Connects, Course 1 45
- 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 and 50: 2-6 MeanMAIN IDEA• Find the mean
- Page 51: 2-7 Median, Mode, and RangeMAIN IDE
- Page 55 and 56: 2-8EXAMPLESSelect an appropriatetyp
- Page 57 and 58: 2-9Check Your ProgressGraph -5 on a
- Page 59 and 60: Chapter 2 BRINGING IT ALL TOGETHER2
- 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 88 and 89: Chapter 3 BRINGING IT ALL TOGETHER3
- Page 90 and 91: Chapter 3 BRINGING IT ALL TOGETHER3
- 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
- Page 100 and 101: 4-2BUILD YOUR VOCABULARY (pages 86-
2–7BUILD YOUR VOCABULARY (pages 27–28)The range of a set of data is the betweenthe and the values of the set.EXAMPLE Find the RangeTEMPERATURE The high temperatures for Las Vegas lastweek were 65°, 68°, 72°, 65°, 80°, 55°, and 65°. Find therange of the data. Then write a sentence that describeshow the data vary.The highest temperature is. The lowest temperatureis . So, the range is - or 25°. The range isrelatively small, so the data are fairly close in value.Check Your Progress GYMS The number of peopleattending a gym class Monday through Saturday were 25, 74,48, 32, 61, and 54. Find the range of the data. Then write asentence that describes how the data vary.EXAMPLETEST EXAMPLE The tableshows the number of hot dogseaten by each contestantat a hot dog eating contest.Which statement is supportedby the data in the table?Number of Hot Dogs Eaten22 19 29 32 2049 23 37 22 2215 29 18 10 25A If the number of hot dogsSource: Nathan’s Famouseaten were distributed equallyamong all the contestants, each player would have eaten39 hot dogs.B Half the contestants ate more than 20 hot dogs and half ateless than 20 hot dogs.C Most of the contestants ate 22 hot dogs.D The range of the numbers of hot dogs eaten is not veryspread out.Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.44 Math Connects, Course 1
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