The Numbers 0 Through 9 Are Used in Code Groups

question 75

Multiple Choice

The numbers 0 through 9 are used in code groups of four to identify an item of clothing. Code 1083 might identify a blue blouse, size medium. The code group 2031 might identify a pair of pants, size 18, and so on. Repetitions of numbers are not permitted, i.e., the same number cannot be used more than once in a total sequence. As examples, 2256, 2562 or 5559 would not be permitted. How many different code groups can be designed?

• A) 5,040
• B) 620
• C) 10,200
• D) 120

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Definitions:

Direction

A course along which something moves, points, or faces, often implying a trend or tendency in data, processes, or movements.

Scatterplot

A type of graph used in statistics to visually display and compare two variables for a set of data, showing how much one variable is affected by another.

Two-Way Table

A table that displays data about two categorical variables; used to explore the relationship between the two variables.

Scatterplot Strength

Indicative of the degree of correlation between two variables represented in a scatterplot, showing how closely the data points fit a trend line.