An outlier strikes. There were actually 270 responses to the class survey inExercise
Chapter 0, Problem 14.32(choose chapter or problem)
An outlier strikes. There were actually 270 responses to the class survey inExercise 14.30. One student claimed to study 30,000 minutes per night. We knowhes joking, so we left out this value. If we did a calculation without looking at thedata, we would get x = 248 minutes for all 270 students. Now what is the 99%confidence interval for the population mean? (Continue to use = 65.)Compare the new interval with that in Exercise 14.30. The message is clear:always look at your data, because outliers can greatly change your result.
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