(04.05 LC)  Daphne’s teacher told her that the standardized…

(04.05 LC)  Daphne’s teacher told her that the standardized score (z-score) for her history exam, as compared to the exam scores of other students in the course, is 2.50. Which of the following is the best interpretation of this standardized score? (4 points)

(04.05 LC)  Doug’s teacher told him that the standardized sc…

(04.05 LC)  Doug’s teacher told him that the standardized score (z-score) for his mathematics exam, as compared to the exam scores of other students in the course, is 1.20. Which of the following is the best interpretation of this standardized score? (4 points)

(05.02 LC)  Given a population mean of 27.1 with a standard…

(05.02 LC)  Given a population mean of 27.1 with a standard deviation of 8.4 and a sample size of 10, answer these questions: Part A: What is the standard deviation of the sampling distribution of x̄? Show your work. (5 points) Part B: What does the sample size need to be if you want the standard deviation of the sampling distribution of x̄ to be 2.8? Show your work. (5 points) (10 points)