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Unformatted text preview: Raw Data – unorganized data Frequency Distribution – shows number of times each value appears Frequency Table – divides data into categories and classes Rf i = frequency of i th classification = fi Describes samples Visual Charts and Graphs How to draw conclusion about population based on the sample Probability theory – likelihood of drawing conclusion based on population Classification Frequency Relative Frequency Freshman 4 4/28 Sophomore 12 12/28 Junior 2 2/28 Senior 10 10/28 N n...
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- Fall '07
- Frequency distribution, Classification Freshman Sophomore Junior Senior Frequency, Selecting Random Sample