Answer to Question #55448 in Statistics and Probability for josh

Question #55448
Researchers at the Washington University School of Medicine randomly placed 480 rats into one of three chambers containing radio antennas. one group was exposed to digital cell phone radio waves the second to analog cell phone waves and the third group to no waves. two years later the rats were examined for signs of brain tumors. in June 2002 the scientist said that differences among the three groups were not statistically significant.

a) is this a study or an experiment? explain
b)explain in this context what "not statistically significant" means.
c) comment on the fact that this research was funded by Motorola, a manufacturer of cell phones.
1
Expert's answer
2015-10-13T03:37:07-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-55448.pdf

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