A Scientist Is Hoping to Compare the Levels of DDT $\mathrm { H } = 10.286$

question 29

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. Identify the test statistic for the Kruskal-Wallis H-Test.

• A) \(\mathrm { H } = 10.286\)
• B) \(\mathrm { H } = 17.0\)
• C) \(\mathrm { H } = 11.718\)
• D) \(\mathrm { H } = 5.714\)

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Definitions:

Internal Spur Gear

A type of gear with straight teeth located on the internal surface of a cylindrical or ring-shaped component, used to transmit motion or power within a confined space.

Flex Plate

A metal disc that connects the engine to the torque converter in automatic transmission vehicles, facilitating power transfer.

Starter Motor Pinion

A gear on the starter motor that engages with a gear on the engine to crank the engine during starting.

Freewheel

Freewheel refers to a mechanism in a bicycle, motorcycle, or vehicle allowing the wheels to rotate freely without engaging the drivetrain, especially when moving downhill or when not pedaling.