q1 The one way ANOVAisnotappropriate if the data come from

1. neither choice is correct
2. populations that do not have the same mean
3. both choices are correct
4. paired-samples design;

q2 The null hypothesis in an ANOVA problem is that

1. none of the groups were drawn from the same population;
2. one or more of the groups was drawn from a different population;
3. all the groups have similar means.
4. any of the other alternatives, depending on how many levels of the independent variable there are.