When the null hypothesis for an ANOVA analysis comparing four treatment means is rejected, two comparisons of treatment means can be made four comparisons of treatment means can be made six comparisons of treatment means can be made eight comparisons of treatment means can be made

A bank wants to determine whether a customer's preference for using cash or credit can be used to predict whether they will answer the phone on a weekday evening. What would be the most appropriate procedure to use to analyze data to answer this question? Only choose a test that handles multiple comparisons If such a test is needed. Regression Test of Slope or Correlation O Test for a Difference of Proportions O Test for a Difference of Means O Chi-square test of association O ANOVA (Analysis of Variance)

One advantage of a within subjects ANOVA is that the participants serve as their own comparisons true or false?