To Select a D escriptive Statistic

1. To Select a Descriptive Statistic Table Nominal or Ordinal Graph Interval or Ratio No Interval or Ratio Yes Ordinal Nominal Mean Median No Mode Yes Location relative to the mean Standing relative to other scores

2. To Select a Statistic to Measure theRelationship Between Two Variables Linear Yes Monotonic Yes None No No Only one Two

3. To Select a Parametric Statisticto Evaluate Group Differences Yes No One Two More than two One Matched Two Independent More than two Matched One Independent Two

4. To Select a Nonparametric Statisticto Evaluate Group Differences Two or more One Only two No Two One Yes Matched Two Yes Independent No No More than two Discrete Continuous