Midterm F11 Review
Be familiar with these ideas and you'll do well:
Boxplots
Five-number summary
Symmetry/Skewness
Modality (unimodal, etc)
Outliers
Histogram
Population parameters (mu, sigma)
defining in the context of a problem
Sample statistics (y-bar, s, n)
One-sample t-test
Null and alternative hypotheses
state in notation and words
p-value
how used for deciding between hypotheses
interpretation
significance level (alpha) for test and CI
stating conclusion of hypothesis test
CI confidence interval
interpretation
using for hypothesis test
Type-I and Type-II errors
definitions
when can you make each
Normal probability plot and tests
Paired data, how to identify
Two-sample t-test
Null and alternative hypotheses
state in notation and words
Pooled versus Satterthwaite
How to tell these apart
pooled var, degrees-of-freedom df
assumptions
ANOVA
Null and alternative hypotheses
state in notation and words
F-test
Pairwise (multiple) comparisons
Fisher (LSD), Tukey, and Bonferroni
How to tell which is being used from output