Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Comparison
|
Student T
Kruskal-Wallis H Mann-Whitney U Chi Square ANOVA |
|
|
Relationship/Trends
|
Pearson
Regression Spearman's Rank |
|
|
x̅
|
mean
|
|
|
∑
|
Sum of
|
|
|
σ
|
Standard Deviation for Populaton
|
|
|
σ2
|
Variance for Population
|
|
|
x
|
Individual
|
|
|
s
|
Standard Deviation for Sample
|
|
|
s2
|
Variance for Sample
|
|
|
n
|
Number in Each Sample
(A=2, B=3, C=5) |
|
|
N
|
Total observations in all samples
(10) |
|
|
K
|
Number of sample sites
(3 for A,B, and C) |
|
|
x^
|
Predicted Value on a line
|
|
|
When do you accept the Null (Ho)?
|
When the significance is greater than 0.05
|
|
|
Interval Data
|
Actual values, can be turned in to ordinal
|
|
|
Ordinal
|
(sm, med, lrg)
|
|
|
Nominal (Categorical)
|
names
|
|
|
When would you use a parametric test?
|
When the skew is between 1 and -1
|
|
|
Student T
|
Comparison
Parametric Interval 1 or 2 Samples |
|
|
Kruskal-Wallis H
|
Comparison
Non-parametric Ordinal 3 or more samples |
|
|
Mann-Whitney U
|
Comparison
Non-parametric Ordinal 2 samples |
|
|
Chi-Square
|
Comparison
Non-parametric Nominal 1, 2 or more samples |
|
|
ANOVA
|
Comparison
Parametric Interval 3 or more samples |
|
|
Pearson
|
Relationship/Trends
Parametric Interval |
|
|
Regression
|
Relationship/Trends
Parametric Interval |
|
|
Spearman's Rank
|
Relationship/Trends
Non-parametric Ordinal |
