A Random Sample of 89 Tourists in Chattanooga Showed That $\alpha$

question 27

Essay

A random sample of 89 tourists in Chattanooga showed that they spent an average of $2,860 (in a week) with a standard deviation of $126; and a sample of 64 tourists in Orlando showed that they spent an average of $2,935 (in a week) with a standard deviation of $138. We are interested in determining if there is any significant difference between the average expenditures of those who visited the two cities?
a.Determine the degrees of freedom for this test.
b.Compute the test statistic.
c.Compute the p-value.
d.What is your conclusion? Let $\alpha$ = .05.

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Definitions:

Reliability

The consistency of a measure or instrument, indicating how dependably it produces similar results under the same conditions.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

DSM-5 Diagnoses

The categorization of mental disorders using the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a standardized classification system.

Rigid Pattern

A fixed and unchangeable sequence or way of behaving, thinking, or doing something that is difficult to alter.