Question: Refer to Data Set 16 in Appendix B and use the paired data for durations and intervals after eruptions of the Old Faithful geyser. Is

Refer to Data Set 16 in Appendix B and use the paired data for durations and intervals after eruptions of the Old Faithful geyser. Is there a correlation, suggesting that the interval after an eruption is related to the duration of the eruption?
Use the rank correlation coefficient to test the claim of no correlation between the two variables. Use a significance level of α = 0.05.

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