As the manager of a fast-food company  you prefer to compare sales performance in terms of standardized values. You recently hired a new analyst, and you decided to demonstrate to her how to standardize the value x = 15 given μ = 9 and σ = 5. Show the working you demonstrated to the new analyst.

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Chapter2: Solving Linear Equations
Section2.7: Solve Absolute Value Inequalities
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As the manager of a fast-food company  you prefer to
compare sales performance in terms of standardized values. You
recently hired a new analyst, and you decided to demonstrate to her
how to standardize the value x = 15 given μ = 9 and σ = 5. Show the
working you demonstrated to the new analyst.

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