?Is Old Faithful Not Quite So Faithful? Listed below are time intervals (min) between
Chapter 9, Problem 19(choose chapter or problem)
Is Old Faithful Not Quite So Faithful? Listed below are time intervals (min) between eruptions of the Old Faithful geyser. The “recent” times are within the past few years, and the “past” times are from 1995. Does it appear that the mean time interval has changed? Is the conclusion affected by whether the significance level is 0.05 or 0.01?
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