Question |
2001 |
2002 |
2002 Form B |
2003 |
2003 Form B |
1 |
L. A. Rainfall
Outliers, summary statistics, exploratory data analysis |
Einstein vs. Newton
Graphical interpretation; interpreting CI's |
Swine & Ammonia
Scatterplots, correlation, r-squared |
Accurate watches
Parallel boxplots, graphical interpretation, choosing inference procedure |
Studying & work
Computer regression output; influential points |
2 |
Copier Repairs
Random variables & expected value |
Give me the boot!
Matched pairs design; double blind |
Airline no-shows
Expected value; probability; conditional probability |
Lawsuits
One proportion hypothesis and parameter; Type I, II error |
Age & Income survey
Tabular probability; conditional probability; independence |
3 |
Radio Giveaway
Designing and performing a simulation |
Fast runners
Normal calculation Combining r.v.'s - means & variances |
Magnet therapy
Comparative, randomized expt; blocking |
Men's shirt sizes
Normal distributions, binomial probability |
Vitamin C & flu
Experiment vs. observational study; Choosing inference procedure |
4 |
Dwarf fruit trees
Blocking & randomization |
Airline costs
Linear regression; computer printout; correlation |
Social security
One-proportion CI & Interpreting categorical data |
Tai chi and yoga
Random assignment, control group, generalizability |
Coffee & cholesterol
Random assignment; control group; choosing inference procedure; lurking variables |
5 |
Name brand vs. generic drugs
Matched pairs t-procedures |
Owls & early birds
Stating hypotheses; two-sample t-test |
Obstacle course
Parallel boxplots; comparing center & variability |
Presidential survey
Chi-square test of independence |
Skunk!
Probability; expected value; chi-square goodness-of-fit test |
6 |
Predicting Ph.D. from GPA
Comparative displays; inference for regression slope; LSRL and prediction |
S or F?
One proportion CI; interpreting confidence; two proportion z-test or chi-square test |
Lab classes
Two sample t-test Chi-square GOF test Bar graphs |
Shuttle bus!
Graphical interpretation, one proportion CI, interpreting CIs, probability |
HMO study
One-proportion CI; interpret 95% confident; adjusting MOE (determining sample size) |