Underlying distribution of stored ddt is continuous

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Biology and Environmental Science Farms across the country have old agricultural chemicals stored in deteriorating containment vessels that pose a threat to humans. The U.S. Department of Agriculture has started a program to clean up and properly dispose of these unusable chemicals. A sample of farms was randomly selected, and the amount of DDT still stored on each farm was recorded. The data (in kg) are given in the following table.

203_Biology and Environmental Science.png

Assume the underlying distribution of stored DDT is continuous.

a. Use the sign test with a = 0.01 to determine whether there is any evidence that the median amount of stored DDT on farms is greater than 2.0 kg.

b. Find the p value associated with this test.

Reference no: EM131754801

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