U1-3 Flashcards
1
Q
Measures of Frequency
A
Shows how often something occurs (count, percent, frequency)
2
Q
Measures of Central Tendency
A
Locates the distribution by various points (mean, median, mode)
3
Q
Measures of Position
A
Describes how scores fall in relation to one another (percentile ranks, quartile ranks)
4
Q
Measures of Variation
A
Identifies the spread of scores by stating intervals (range, variance, standard deviation)
5
Q
Mean
A
Most common measure of central tendency, is calculated by adding all the values in a set and dividing by the number of values.
6
Q
Median
A
The midpoint of the distribution. If even, add the middle values and divide by 2.
7
Q
Mode
A
Most frequently occurring value.
8
Q
Geometric Mean
A
Multiply the n data points and take the nth root of the product.
