Inferential Statistics Ch. 2 Flashcards
0
Q
What are three measures of central tendency?
A
- Mean
- Mode
- Median
1
Q
Central Tendency
A
A group of scores (a distribution) refers to the middle of the group of scores.
2
Q
Mean
A
Arithmetic average of a group of scores; synod scores divided by the number of scores.
3
Q
Mode
A
Value with the greatest frequency
4
Q
Median
A
Middle score when all the scores in a distribution are arranged from lowest to highest.
5
Q
Outlier
A
Score with an extreme value (very high or very low) in relation to the other scores.
6
Q
Variance
A
Measure of how spread out a set of scores are.
An average of the squared deviation from the mean.