Assume the Following Sales Data for a Company $$\begin{array} { l r } 2017 & \$ 945,000 \\2016 & 877,500 \\2015 & 675,000\end{array}$$

question 118

Multiple Choice

Assume the following sales data for a company: $$\begin{array} { l r } 2017 & \$ 945,000 \\2016 & 877,500 \\2015 & 675,000\end{array}$$ If 2015 is the base year what is the percentage increase in sales from 2015 to 2016?

• A) 76.9%
• B) 30%
• C) 40%
• D) 71.4%

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Definitions:

Positive Correlation

A relationship between two variables where an increase in one variable is associated with an increase in the other variable.

Dependent Variable

In experimental and statistical research, the variable that is being tested and measured to see if it is affected by changes in another variable (the independent variable).

Confounding Variable

An external variable in an experiment that can affect the results of the study, potentially leading to incorrect conclusions if not controlled.

Normal Curve

A bell-shaped curve that represents the distribution of many types of data where most values cluster around a mean value.