Week_4_slides_rev_2_16_08

Week_4_slides_rev_2_16_08 - Slides 4 Frequency...

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ScWk242 Edward Cohen Week 4 Slides Rev 2/16/08 1 Frequencies Ethnicity Absolute Frequency Absolute Percentage (%) Cumulative Percentage Caucasian 20 40 40 African American 15 30 70 Hispanic 13 26 96 Other 2 4 100 Total ( N ) 50 100
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ScWk242 Edward Cohen Week 4 Slides 2 Y axis, X axis Y Axis—typically shows frequencies X Axis—typically shows values/value categories Hint: think “Y on the left, X on the bottom…” OR Remember this? Y = f(X)
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ScWk242 Edward Cohen Week 4 Slides 3 Bar Graph—Nominal Level Measure 0 20 40 60 80 100 120 140 Never married Married Divorced Separated Widowed Frequency
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ScWk242 Edward Cohen Week 4
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Unformatted text preview: Slides 4 Frequency PolygonInterval or Ratio Level of Measures 120 100 80 60 40 3 6 9 12 Number of clients Annual income (in thousands of dollars) 15 18 21 ScWk242 Edward Cohen Week 4 Slides 5 HistogramOrdinal, Interval or Ratio Level of Measures 10 8 6 4 1-2 Number of children Number of serious behavioral incidents 2 3-4 5-6 7-8 > 8 ScWk242 Edward Cohen Week 4 Slides 6 Plus Frequency Polygon 10 8 6 4 1-2 Number of children Number of serious behavioral incidents 2 3-4 5-6 7-8 > 8...
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Week_4_slides_rev_2_16_08 - Slides 4 Frequency...

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