Review for IS4800 Exam #2 -- Spring 201

                		Summary 
About 1/3 experimental design and usability testing/evaluation
About About 1/3 statistics
no essays but could be 1 paragraph
calculator plus one "sheet" allowed

Experimental design and usability testing
Within subjects vs. between subjects
Pros and cons, strategies for design

Statistics: (and what kind of data analysis they are good for)
understand Z statistic and its use
estimate the population variance from a sample
describe the distribution of sample means
Chi square test for goodness of fit
Chi square test for independence
T test for dependent means
One way ANOVA

The steps in carrying out empirical studies (in general and for
   each method we have discussed)
Hypothesis testing (alpha, df, Type I and Type II errors)
Sampling and validity