l Identifying the appropriate Test Statistic Ask the following questions Are the data from measurements(continuous variables or counts(discrete variables)? Are the data from independent samples? Are the population variances approximately equal? Are the populations approximately normally distributed? What are the sample sizes? o 2002 The Wadsworth GroupIdentifying the Appropriate Test Statistic Ask the following questions: • Are the data from measurements (continuous variables) or counts (discrete variables)? • Are the data from independent samples? • Are the population variances approximately equal? • Are the populations approximately normally distributed? • What are the sample sizes? © 2002 The Wadsworth Group