A Sample Mean Is Compared Against a Standard for a Large

question 20

Multiple Choice

A sample mean is compared against a standard for a large sample.Now,assume the sample mean was found to equal 40.What is the appropriate confidence interval? (Note: Round to the nearest whole number. )

• A)23 < m < 57
• B)Can't be determined from the information given.
• C)14 < m < 66
• D)38 < m < 42
• E)20 < m < 60

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Definitions:

Post Hoc

Post hoc, short for "post hoc ergo propter hoc," is a logical fallacy that assumes a cause-and-effect relationship simply because one event follows another.

Ergo Propter Hoc

A logical fallacy meaning "therefore, because of this," suggesting a cause-and-effect relationship where none exists.

Fallacy

A mistaken belief, especially one based on unsound arguments or logical errors.

Fallacy Of Composition

The erroneous belief that what is true for the individual is necessarily true for the group as a whole.