Engineering, 05.05.2020 08:56 IsoSaysHi

University of Alaska researchers collected nine lichen specimens and measured the amount of the radioactive element cesium-137 (in microcuries per milliliter) in each specimen. Assume that in previous years the mean cesium amount in lichen was m = .003 microcurie per milliliter. Is there sufficient evidence to indicate that the mean amount of cesium in lichen specimens differs from this value? Use the SAS printout below to conduct a complete test of hy- pothesis at a = .10.

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University of Alaska researchers collected nine lichen specimens and measured the amount of the radi...