A Scientist Is Hoping to Compare the Levels of DDT $\mathrm { H } = 11.718$

question 13

Multiple Choice

A scientist is hoping to compare the levels of DDT toxin found in three species of fish in a local river. He randomly samples 7 of each species to use in the analysis. For each fish, he measures the
Amount of DDT toxin present. The data is shown below:

Ideally he will be able to determine if a difference exists in the population of DDT toxins found in the three fish species. The test statistic was determined to be $\mathrm { H } = 11.718$ . State the appropriate conclusion when testing at $\alpha = 0.025$ .

• A) There is insufficient evidence to indicate that the distributions of DDT toxins for the three species are identical.
• B) There is sufficient evidence to indicate that the distributions of DDT toxins for the three species are identical.
• C) There is sufficient evidence to indicate that the distributions of DDT toxins for the three species differ in location.
• D) There is insufficient evidence to indicate that the distributions of DDT toxins for the three species differ in location.

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