Mathematics, 15.04.2021 18:00 Yeetadab3376

The average score on an exam is 78. A test is given to 40 students and the average on the exam was 82 with a standard deviation of 14. a) At the .01 level did the students do better than expected? (p = .039)
b) How do you explain the 4 point increase?
C) Interpret the p-value:
D) What is the only type of error that could have occurred

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The average score on an exam is 78. A test is given to 40 students and the average on the exam was 8...