Exhibit 16.2.Typically,the sales volume declines with an increase of a product price.It has been observed,however,that for some luxury goods the sales volume may increase when the price increases.The following Excel output illustrates this rather unusual relationship. 
Refer to Exhibit 16.2.Which of the following models is most likely to be chosen in order to describe the relationship between Price and Sales?
Definitions:
Type II Error
The statistical mistake of failing to reject a false null hypothesis, also known as a false negative.
Sample Size
The number of observations or items selected from a larger population for the purpose of statistical analysis.
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship.
Null Hypothesis
The null hypothesis is a statement suggesting that no statistical significance exists in a set of given observations, representing a default position that there is no association between two measured phenomena.
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