Ch. 2: Basic Mathematical and Measurement Concepts

  1. Mathematical Notation
    1. X or Y
    2. N =
    3. XI =
  2. Summation -
  3. Measurement Scales
    1. Nominal -
    2. Ordinal -
    3. Interval -
    4. Ratio -
  4. Discreet and Continuous Variables
    1. Discreet -
    2. Continuous -
      1. Real Limits -
      2. Significant Figures -
        1. Physical Sciences -
        2. Behavioral Sciences - 
      3. Rounding
        1. Round up if
        2. Round down if
        3. If the remainder is
          1. Round up if
          2. Round down if
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Ch. 3: Frequency Distributions

  1. Frequency -
  2. Distribution -
  3. Frequency Distribution -
    1. Ungrouped -
    2. Grouped -
      1. Find the Range
      2. Determine Interval Width
      3. List the Intervals
      4. Tally the Scores and Sum into frequencies
    3. Other Information that Can be Included in Frequency Distributions
      1. Relative Frequencies -
      2. Cumulative Frequencies -
      3. Cumulative Percentage -
  4. Percentiles -
  5. Percentile Rank -
  6. Graphing Frequency Distributions
    1. Axes
      1. Vertical =
      2. Horizontal =
      3. Set intersection
      4. Labeling is important
    2. Bar Graph -
    3. Histogram -
    4. Frequency Polygon -
      1. Symmetrical -
      2. Skewed -
        1. Positively Skewed
        2. Negatively Skewed
    5. Cumulative Percentage Curve -
    6. Stem and Leaf Diagrams
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