interpretations Flashcards
1
Q
Percentile
A
% of subjects scored less than [main subj]
2
Q
SD
A
[Content] typically varies by [SD] from the mean of [mean]
3
Q
Z-score
A
Relatively speaking, [subj] is [great/lesser] in comparison to [other subjects, condition]
4
Q
Unusual percentile
A
5%
5
Q
SD (general)
A
[subj] is # [SDs] above/below the mean
6
Q
SD of residuals
A
The typical difference between [y] and the mean [y] is [SD]
7
Q
Regression Line
Slope
A
When [x] increases by 1/base unit, the predicted [y] increases by [slope]
8
Q
Regression Line
Intercept
A
When [x] is 0, the predicted [y] is [intercept]
- Optional: not reasonable because of extrapolation
9
Q
r^2
A
% of change in response is explained by [x]
10
Q
residual
A
[x and y in context] is [resid units] below/above predicted [y]
11
Q
Residual Plot
A
scattered = linear
clear pattern = non-linear
