Lecture 8 - Stats Flashcards
_________ = process of administering a test to collect information.
measurement
_________ = process of placing a value judgement on the measurement. Involves analyzing scores and using statistics to enhance interpretation.
evaluation
What are 2 ways to describe your data?
- Central tendency
2. Variability
What are 3 measures of central tendency?
- Mean
- Median
- Mode
The _____ is the average of a distribution of scores. The _____ is the midpoint of a distribution. The _____ is the most frequently occurring score in a distribution.
mean; median; mode.
What are two measures of variability?
- Range
2. Standard deviation
_____ _____ is the amount that all scores vary from the mean.
standard deviation
The _____ is the max score - min score.
range
The ______ is unstable because it only depends on 2 scores.
range
A ______ determines the difference between 2 mean scores.
T-test
An _____ determines the difference between multiple mean scores.
ANOVA
A ______ determines relationship between variables.
Correlation
A _____ _____ is a prediction equation.
Regression analysis
r = 0?
no relationship
r = -1?
inverse relationship
