The Principal Randomly Selected Six Students to Take an Aptitude $\begin{array} { l l l l l l } 71.6 & 81.0 & 88.9 & 80.4 & 78.1 & 72.0\end{array}$

question 17

Multiple Choice

The principal randomly selected six students to take an aptitude test. Their scores were:
$\begin{array} { l l l l l l } 71.6 & 81.0 & 88.9 & 80.4 & 78.1 & 72.0\end{array}$
Determine a $90 \%$ confidence interval for the mean score for all students.

• A) \(( 73.26,84.07 )\)
• B) \(( 84.07,73.26 )\)
• C) \(( 83.97,83.97 )\)
• D) \(( 73.36,83.97 )\)
• E) \(( 83.97,73.36 )\)

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Definitions:

Product Class

A category of goods or services that share similar characteristics, uses, or are targeted towards similar markets.

Specific Brand

A distinct entity in the marketplace characterized by a unique name, design, or features, making it distinguishable from other products or services.

Primary Demand

The overall demand for a product category as opposed to the demand for a specific brand within that category.

Marketing Mix

A framework used to analyze and execute the marketing strategy, traditionally defined by the four Ps: Product, Price, Place, and Promotion.