Refer to Data Set 23 ?Old Faithful? in Appendix B for the time intervals before eruptions of
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Refer to Data Set 23 ?Old Faithful? in Appendix B for the time intervals before eruptions of the Old Faithful geyser. Use a 0.05 significance level to test the claim that those times are from a population with a median of 90 minutes.
Data set 23
Transcribed Image Text:
INT BEFORE (MIN) 82 99 DURATION (SEC) 251 243 250 INT AFTER (MIN) HEIGHT (FT) PRED ERROR (MIN) TIT 83 76 86 130 125 -13 88 120 -2 240 82 120 -6 92 86 243 87 130
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