Construct three additional comparisons that yield an orthogonal set.
1. Is the following set of contrasts among four groups (i.e., a = 4) orthogonal? Show your work or explain your answer. 2. In a six-group study, an investigator wants to test the following two comparisons: Construct three additional comparisons that yield an orthogonal set. Assume equal n. PLACE THIS ORDER OR A SIMILAR […]