j. The following table shows the test scores for a specific student on Examl, Exam2, and Final exam, as well as the clas

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J The Following Table Shows The Test Scores For A Specific Student On Examl Exam2 And Final Exam As Well As The Clas 1 (32.46 KiB) Viewed 38 times

j. The following table shows the test scores for a specific student on Examl, Exam2, and Final exam, as well as the class average and standard deviation for each exam. Examl Exam2 Final Exam The student's test score 80 78 82 Class mean score 75 72 73 Class standard deviation of scores 2 1.8 3.8 On which exam did the student relatively do better than the other students in class? (1) Exam1 (2) Exam2 (3) Final Exam k. Which of the following would lead a confidence interval for the population mean based on a normal distribution to be narrower (assuming nothing else changes)? (1) Increased sample size (2) Increased confidence level (3) Increased population standard deviation (4) Both (1) and (2) (5) All of the above