2. Which of the following is an example of a null hypothesis? . Motivation is related to achievement. B. Motivation is not related to achievement, C. Highly motivated people are more likely to be successful than those with low motivation. D. Highly motivated people are less likely to be successful than those with low motivation. 3. If a researcher rejects a null hypothesis, the researcher either A. is incorrect, or made a Type I error. B. is incorrect, or made a Type II error. C. is correct, or made a Type I error. D. is correct, or made a Type II error. 4. A pharmaceutical representative is conducting a satisfaction survey, sampling from a list of 4,000 new potential clients. The list includes 1,000 Blue pill buyers, 1,000 Red pill, 1,000 Yellow pill buyers, and 1,000 Green pill buyers. The analyst selects a sample of 300 pill buyers, by randomly sampling 75 buyers of each brand. Is this an example of a simple random sample? A. Yes, because each buyer in the sample was randomly sampled. B. No, because the population consisted of purchasers of four different types of pills. C. No, because every possible 300-buyer sample did not have an equal chance of being chosen. D. Yes, because car buyers of every brand were equally represented in the sample. E. Yes, because each buyer in the sample had an equal chance of being sampled. 5. The order in which individuals of a lion pride feed on a kill describes which variable type? A. Discrete B. Continuous C. Rank D. Attribute E. Continuous, transformed 6. What would you expect the correlation between daily calorie consumption and body weight to be? A. Moderate to large positive B. Small positive C. Zero or near zero D. Small negative E. Moderate to large negative 7. What would you expect the correlation between pet lovers and DUI charges to be? A. Moderate to large positive B. Small positive C. Zero or near zero D. Small negative E. Moderate to large negative 8. What is the z score for a raw score of 62 that comes from a distribution with a mean of 50 and a standard deviation of 10