In a study of academic procrastination, authors reported that for a sample of 411 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the mean time spent studying for the exam was 7.74 hours and the standard deviation of study times was 3.4 hours. Construct a 95% confidence interval to estimate µ, the mean time spent studying for the final exam for students taking introductory psychology at this university. Interpret the interval. Note: For the purpose of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university.
In a study of academic procrastination, authors reported that for a sample of 411 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the
Construct a 95% confidence
Note: For the purpose of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university.
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