The Paired Data Below Consists of Test Scores and Hours $\mathrm { y } = 44.8447 + 3.52427 \mathrm { x }$

question 3

Multiple Choice

The paired data below consists of test scores and hours of preparation for 5 randomly selected students. The equation of the regression line is $\mathrm { y } = 44.8447 + 3.52427 \mathrm { x }$ . Find the unexplained variation.
$\begin{array}{c|rrrrr}\mathrm{x} \text { Hours of preparation } & 5 & 2 & 9 & 6 & 10 \\\hline \mathrm{y} \text { Test score } & 64 & 48 & 72 & 73 & 80\end{array}$

• A) \(96.103\)
• B) \(599.2\)
• C) \(511.724\)
• D) \(87.4757\)

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Definitions:

Sourcing Decisions

The process of choosing suppliers for goods or services, considering factors like cost, quality, and reliability.

Vertically Integrated

A business strategy where a company controls multiple stages of production within its own supply chain, from raw materials to final product distribution.

Understock Quantity

The condition when the available inventory is less than the demand, leading to potential lost sales and customer dissatisfaction.

Supply Chain

The network of organizations, people, activities, information, and resources involved in creating and moving a product or service from supplier to customer.