M119L01to04-page12 - full counterclockwise revolution...

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(Lesson 4: More Statistical Graphics; 2-4) 2.09 PART F: PIE CHARTS Example (Presidential Parties again) Again, we have: Party affiliation Frequency Democrats (D) 15 Republicans (R) 18 Whigs (W) 4 Other 6 N = 43. For each party, the relative frequency is given by: Frequency 43 . The measure of the central angle of the corresponding pie slice is given by: Relative Frequency () ± 360 ± () . Remember that there are 360 degrees in a
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Unformatted text preview: full counterclockwise revolution sweeping out the boundary circle. Here, we will round off relative frequencies to three decimal places and angle measures to the nearest degree. Party affiliation Frequency Relative Frequency Measure of Central Angle Democrats (D) 15 0.349 (34.9%) 126 Republicans (R) 18 0.419 (41.9%) 151 Whigs (W) 4 0.093 (9.3%) 33 Other 6 0.140 (14.0%) 50...
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