A Field Researcher Is Gathering Data on the Trunk Diameters

question 9

Multiple Choice

A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area.The following are the results of his random sampling.Can he conclude, at that the average trunk diameter of a pine tree is greater than the average diameter of a spruce tree?

• A)The data do not support the claim because the test value 0.48 is less than 1.28.
• B)The data do not support the claim because the test value 0.98 is less than 1.28.
• C)The data do not support the claim because the test value 0.98 is less than 1.64.
• D)The data do not support the claim because the test value 0.48 is less than 1.64.

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Definitions:

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