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When Paulette First Saw the Dress in the Store Window

question 197

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When Paulette first saw the dress in the store window, she knew two things. She had to own the dress, and she could not afford it at its current price. Disappointed, she left. Two weeks later, she passed by the store again and saw that the price of the dress had been reduced to one that she could afford. Specifically, the store had reduced the price by 30 percent to "move" it. Paulette was able to purchase the dress because of


Definitions:

Z

In statistics, often represents the standard score, which is the number of standard deviations a data point is from the mean.

Percentage

A way of expressing a number as a fraction of 100, used to compare proportions.

Normal Model

A theoretical distribution with a bell-shaped curve, symmetrical about the mean, used in statistics to describe how values of a variable are spread or distributed.

Top 2.5%

Referring to the upper echelon or highest-performing individuals or entities, specifically those in the 97.5th percentile and above.

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