Hello (:

If answers are hand-written, please have neat and clear handwriting. Thank you!

Aschool psychologist wants to determine whether children who live with both parents perform better on school work than children who live with a single parent. She gathers two groups for her comparison, 20 children who live with both parents and another 20 who live with a single parent. The psychologist plans to use scores on a standardized achievement test as an indicator of school performance. Respond to the prompts below. (1 point each) a. What statistical test would be appropriate in this case? Explain the rationale for your answer. b. Identify the independent variable in this study. c. Identify the dependent variable in this study. ct. Describe a potentially confounding variable and explain how that might affect the conclusions from the study. e. State the null and alternative hypotheses in words