Independent random samples taken at two local malls provided the following information regarding purchases by patrons of the two malls. 
We want to determine whether or not there is a significant difference between the average purchases by the patrons of the two malls.
a.Give the hypotheses for the above.
b.Compute the test statistic.
c.At 95% confidence, test the hypotheses.
Definitions:
Quantity Demanded
The amount of a product consumers are willing and able to purchase at a specific price.
Law of Demand
A fundamental principle in economics that describes the inverse relationship between the price of a good or service and the quantity demanded by consumers, holding other factors constant.
Quantity Demanded
The aggregate quantity of a product or service buyers are prepared to buy at a certain price point, within a specific timeframe.
Demand
The desire to purchase goods and services backed by the ability and willingness to pay, at a given price level within a specific time period.
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