Refer to the Lichen Radionuclide Baseline Research project to monitor the level

Refer to the Lichen Radionuclide Baseline Research project to monitor the level of radioactivity in lichen, Exercise 2.15. Recall that University of Alaska researchers collected 9 lichen specimens and measured the amount of the radioactive element cesium-137 (in μCi/ml) in each specimen. (The natural logarithms of the data values, are listed in the table. Suppose you want to test whether the median cesium amount in lichen differs from ???? = .003 μCi/ml. Use the accompanying MINITAB printout  to conduct the nonparametric test at α = .10.

Data from Exercise 2.15

Lichen has a high absorbance capacity for radiation fallout from nuclear accidents. Since lichen is a major food source for Alaskan caribou, and caribou are, in turn, a major food source for many Alaskan villagers, it is important to monitor the level of radioactivity in lichen. Researchers at the University of Alaska, Fairbanks, collected data on nine lichen specimens at various locations for this purpose. The amount of the radioactive element, cesium- 137, was measured (in microcuries per milliliter) for each specimen.

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