Can you please help me these questions

Question Completion 1 point QUESTION 3 When selecting a statistical test, when would a researcher select a non-parametric test? (Select all that apply) O The dependent variable is ordinal. O The independent variable is categorical. O The data is not normally distributed. O The sample size is small. O The sample is homogeneous. QUESTION 4 1 p Researchers wanted to explore whether students who took statistics in the last five years scored higher in a statistics course at the graduate level than those who had not taken statistics in the last five years. The following null and one-tailed alternative hypotheses were constructed: Ho: Those who took a statistics course in the last five years do not score higher in the graduate-level statistics course than those who did not take stats in the last five years. HA: Those who took a statistics course in the last five years score higher in the graduate-level statistics course than those who did not take a statistics course in the last five years. A type 2 error in this study would mean: The researchers concluded those who took a statistics course in the last five years scored lower than those who did not take a statistics course in the last five years. O The researchers concluded there was no difference on scores in the graduate-level statistics course between the two groups when there actually was a difference. O The researchers rejected the null hypothesis that there was no difference between the groups because they used the wrong statistical test. O The researchers concluded that those who took a statistics course in the last five years scored higher than those who did not take a statistics course in the last five years when, in fact, there was no difference in scores between the two groups