In Order to Estimate the Difference Between the Average Hourly

question 57

Multiple Choice

In order to estimate the difference between the average hourly wages of employees of two branches of a department store, the following data have been gathered. ​ A 95% interval estimate for the difference between the two population means is

• A) .071 to 1.929.
• B) .226 to 1.774.
• C) 1.09 to 4.078.
• D) 1.078 to 2.922.

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Definitions:

Invalid Argument

An argument whose conclusion does not logically follow from its premises, even if all the premises are true.

True Conclusion

An outcome of reasoning or argumentation that accurately reflects reality or fact.

Enthymeme

A categorical syllogism with an unstated premise or conclusion.

Unstated Premise

An implicit assumption or belief in an argument that is not expressed by its premises or conclusion.