Descriptive Statistics: Textual & Graphical (pdf)

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Three ways to represent data • <strong>Textual</strong> • Tabular • <strong>Graphical</strong> • Numerical
Example Number of Tons of Trash collected by Sampleton, Ohio sanitary engineer teams for the week of June 8, 2004 57 70 62 66 68 62 76 71 79 87 82 63 71 51 65 78 61 78 55 64 83 75 50 70 61 69 80 51 52 94 89 63 82 75 58 68 84 83 71 79 77 89 59 88 97 86 75 95 64 65 53 74 75 61 86 65 95 77 73 86 81 66 73 51 75 64 67 54 54 78 57 81 65 72 59 72 84 85 79 67 62 76 52 92 66 74 72 83 56 93 96 64 95 94 86 75 73 72 85 94
Page 1 and 2: Descriptive Statistics: Textual and
Page 3: Descriptive Statistics • Descript
Page 7 and 8: Frequency Distributions • The mos
Page 9 and 10: Example, cont. • The data values
Page 11 and 12: Constructing a Frequency Distributi
Page 13 and 14: Grouped Frequency Distributions •
Page 15 and 16: Grouped Frequency Distribution •
Page 17 and 18: Percentage Distributions • Suppos
Page 19 and 20: Must convert to compare • Easiest
Page 21 and 22: Cumulative Frequency Distributions
Page 23 and 24: In-Class Task • The fire chief of
Page 25 and 26: Solution Response Time Response Tim
Page 27 and 28: Bad Table - What’s wrong? Percept
Page 29 and 30: Simplicity vs. Detail • In making
Page 31 and 32: Feature 2 - Divides the data in a w
Page 33 and 34: Feature 5 - Clear Percentages Grade
Page 35 and 36: Graphical Representation of Tabular
Page 37 and 38: Graph Basics • A vertical axis or
Page 39 and 40: The Bar Graph • A bar graph’s b
Page 41 and 42: Bar Graph Example • Next, the tea
Page 43 and 44: The Histogram • A histogram is si
Page 45 and 46: Clinic Example • To organize thei
Page 47 and 48: Clinic Example • Next, to create
Page 49 and 50: The Frequency Polygon (Line Graph)
Page 51 and 52: Clinic Example • Next, they decid
Page 53 and 54: Pie Chart • A pie chart is a very
Page 55 and 56:
Task • Using the majors frequency
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Descriptive Statistics: Textual & Graphical (pdf)

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