. See above. Select the "Scales and Measures" E-Book. Once available, see pp. 9, 13-15 for Likert Scales
Constructing ... Scales
. See pp. 170-171.
Measures of Central Tendency
Dallas Cowboy Salaries
Measures of Dispersion (Variance--previously covered). Other sources:
Population versus Sample Variance
Types of Distribution: Skewness (negative=cluster to the right and more extremely low scores) and Kurtosis (negative=flatter). Other sources:
Z Scores (with normal curve).
Overview with Example