StatKey Online Tools for Teaching a Modern Introductory Statistics Course Robin Lock St. Lawrence University USCOTS Breakout – May 2013 Patti Frazer Lock.
Part 8: Hypothesis Testing 8-1/50 Econometrics I Professor William Greene Stern School of Business Department of Economics.
Stratified Random Sampling. A stratified random sample is obtained by separating the population elements into non-overlapping groups, called strata Select.
