A significant interaction effect occurs when ____.

there are no main effects

variableAhas a main effect and variableBdoes not

the combined effects of variablesAandByield an unexpected effect

none of the above

The alternative hypothesis evaluated byF_obtin the one-way ANOVA states that ____.

all conditions have the same effect

one or more of the conditions have different effects

m₁=m₂=m₃=m_k

m₁m₂m₃m_k

b and d

Question 24

1. The value forQ_critusing the HSD test for 6 groups with 6 subjects in each group anda= 0.01 is ____.

   4.30

   4.23

   5.24

   5.37

2.5 points

Question 25

1. The null hypothesis in the one-way ANOVA asserts that ____.

   the within groups variance estimate is an estimate of the population variance

   m₁=m₂=m₃=m_k

   the between group variance estimate and the within group variance estimate are both estimates of the same population variance

   the within group sum of squares is equal to the between group sum of squares

   b and c