Department Stores

question 5

Multiple Choice

Department stores:

• A) are basically a group of limited-line stores under one roof.
• B) are decreasing in number, average sales per store, and share of retail business.
• C) usually aim at customers seeking shopping products.
• D) All of the above are true.
• E) Only B and C are true.

---

Definitions:

Z Score

A measure of how many standard deviations an element is from the mean.

Distance From The Mean

The absolute difference between a specific value and the average of all values in a dataset.

Z Scores

Standardized scores that indicate how many standard deviations an element is from the mean of the dataset. They are used in statistics to compare different data points.

Normal Curve

A graphical representation of a distribution where the majority of data points are concentrated around the mean, decreasing in frequency the farther they are from the mean.