StatKey
to accompany
Statistics: Unlocking the Power of Data
by Lock, Lock, Lock, Lock, and Lock
Descriptive Statistics and Graphs
Bootstrap Confidence Intervals
Randomization Hypothesis Tests
One Quantitative Variable
CI for Single Mean, Median, St.Dev.
Test for Single Mean
One Categorical Variable
CI for Single Proportion
Test for Single Proportion
One Quantitative and One Categorical Variable
CI for Difference In Means
Test for Difference in Means
Two Categorical Variables
CI for Difference In Proportions
Test for Difference In Proportions
Two Quantitative Variables
CI for Slope, Correlation
Test for Slope, Correlation
Sampling Distributions
Mean
Proportion
Theoretical Distributions
Normal
t
χ
^{2}
F
More Advanced Randomization Tests
χ
^{2}
Goodness-of-Fit
χ
^{2}
Test for Association
ANOVA for Difference in Means
ANOVA for Regression