The Data Set: Ages of Dishwashers (In Years) in 20 $$\begin{array} { r r r r r r r r r r } 12 & 6 & 4 & 9 & 11 & 1 & 7 & 8 & 9 & 8 \\9 & 13 & 5 & 15 & 7 & 6 & 8 & 8 & 2 & 1\end{array}$$

question 28

Multiple Choice

The data set: ages of dishwashers (in years) in 20 randomly selected households $$\begin{array} { r r r r r r r r r r } 12 & 6 & 4 & 9 & 11 & 1 & 7 & 8 & 9 & 8 \\9 & 13 & 5 & 15 & 7 & 6 & 8 & 8 & 2 & 1\end{array}$$

• A) bell shaped
• B) uniform
• C) skewed to the left
• D) skewed to the right

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Definitions:

Coefficients

Numbers placed before variables in algebraic expressions to indicate multiplication.

Expression

A combination of symbols that represents a mathematical quantity or relationship.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x).

Expression

A combination of symbols and numbers that represents a mathematical computation or quantity.