Suppose the Sales S (In Billions of Dollars Per Year) $S = 2.5931 t ^ { 2 } - 1.5682 t + 39.831,1999 \leq t \leq 2004$

question 46

Multiple Choice

Suppose the sales S (in billions of dollars per year) for Proctor & Gamble for the years 1999 through 2004 can be modeled by $S = 2.5931 t ^ { 2 } - 1.5682 t + 39.831,1999 \leq t \leq 2004$ where t represents the year. During which year were the sales increasing at the lowest rate?

• A)Sales are increasing at the lowest rate in the year 2004.
• B)Sales are increasing at the lowest rate in the year 1999.
• C)Sales are increasing at the lowest rate in the year 2000.
• D)Sales are increasing at the lowest rate in the year 2002.
• E)Sales are increasing at the lowest rate in the year 2001.

---

Definitions:

Nonparametric Statistics

Statistical methods that do not assume a specific distribution of data and are useful for analyzing ordinal or nominal data.

Parametric Statistics

A category of statistical techniques that assume data come from a type of probability distribution and involve parameters (such as the mean and variance) in that distribution.

Research Hypothesis

A statement of inequality between two variables. See Null hypothesis.

Four Groups

A division within a study or experiment where participants are split into four distinct sets for comparison or analysis.