?Calcium in Rainwater An environmentalist wants to determine if the median amount of
Chapter 15, Problem 13(choose chapter or problem)
Calcium in Rainwater An environmentalist wants to determine if the median amount of calcium (mg/L) in rainwater in Lincoln County, Nebraska, is different from that in the rainwater in Clarendon County, South Carolina. She randomly selects 22 weeks in the Nebraska location in which it rained at least once during the week and 20 weeks in the South Carolina location in which it rained at least once during the week and determines the calcium levels in the rainwater.
Do the data indicate a difference in calcium levels at the = 0.05 level of significance?
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