Unit 3: Numerical Descriptive Measures; Measures Of Varation For Ungrouped Data Flashcards
1
Q
A method of measuring the degree by which numerical data or values tend to spread from or cluster about central point of average.
A
Variability
2
Q
The most common measures of dispersion are the?
A
- Range
- Mean Deviation/Average Deviation
- Standard Deviation
- Variance
- Quartile Deviation
3
Q
The quickest way to determine the dispersion of scores is through the computation of the _____ because it is the easiest measure to compute
A
Range
4
Q
The most important measure of dispersion.
A
Standard deviation
5
Q
The ________ of the population is equal to the sum of the squared deviations about the mean divided by the number of scores
A
Varince
