A researcher investigated whether a father's level of optimism was predictive of his son's optimism as a young adult. Twenty fathers and sons who agreed to participate in the study were administered a scale measuring their current level of optimism (the scale ranged from 10 to 50, with higher scores indicating greater optimism). a. State a research question for the data. b. State the null and alternative hypotheses. o. Is the predictor signicant? Test at a = 0.05. d. What is the effect size for the study? Would you characterize the effect size as small, medium, or large? Write a regression equation of the data. f. Write the result of the study using APA format as appropriate. FD