Part 5 (15 points) 1. The average of how far each data point in a dataset deviates from the mean is the . (3 points) A) Range B) Standard Deviation C) Skewness D) Mean E) Median 2. What is the difference between the reliability and validity of a psychological measurement? Why are both important? (4 points) 3. Provide one benefit and one limitation for both within-subjects and between-subjects designs. Briefly explain why they are benefits and limitations. (4 points) 4. Type I Error is when you (B) the (C) hypothesis and Type II Error is when you incorrectly (D) the null hypothesis. (4 points) Potential words/phrases: correctly; incorrectly; reject; accept; fail to reject; fail to accept; null; alternative