The Environmental Protection Agency sends four identical samples of polluted water to the Acme Chemical Analysis Laboratory. The lab measures the amount of dioxin in each sample. The lab reports dioxin concentrations of 141, 323, 74, and 923 parts per billion. Dioxin measurements made by Acme are:
A) not reliable.
B) not biased.
C) invalid.
D) confounded.
E) categorical.
Correct Answer:
Verified
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