If you predict that two groups, A and B, will be related on a certain variable, what is the null hypothesis? A. That there is no difference between A and B. B. That there is no relationship between A and B. C. That A will be greater than B. D. That there is no difference between A and B or that A is greater than B.

A researcher wants to test whether there is a difference in test scores between two groups. Which hypothesis should be the null hypothesis?a.There is a difference in test scores between the two groups.b.There is no difference in test scores between the two groups.c.The test scores of the two groups are positively related.d.The test scores of the two groups are negatively related.Clear my choice

A null hypothesis is a statement of the status quo, one of no difference or no effectsSelect one:TrueFalse

Which of the following would be an appropriate null hypothesis?

The null hypothesis is a statement wherein an observed effect is a result of chance and not of treatment.

null and alternative hypotheses.