2. The average score on an exam is 78. A test is given to 40 students...
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2. The average score on an exam is 78. A test is given to 40students and the average on the exam was 82 with a standarddeviation 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 haveoccurred
2. The average score on an exam is 78. A test is given to 40students and the average on the exam was 82 with a standarddeviation 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 haveoccurred
Answer & Explanation Solved by verified expert
4.2 Ratings (671 Votes)
bIt may due to chance alone or it may possible only
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