The Test Scores of 6 Randomly Picked Students and the Numbers

question 101

Multiple Choice

The test scores of 6 randomly picked students and the numbers of hours they prepared are as follows: $\begin{array} { c | r r r r r r } Hours & 5 & 10 & 4 & 6 & 10 & 9 \\\hline Score & 64 & 86 & 69 & 86 & 59 & 87\end{array}$
The equation of the regression line is $\hat { y } = 1.06604 \mathrm { x } + 67.3491$ . Find the coefficient of determination.

• A) \(0.2242\)
• B) \(0.6781\)
• C) \(0.0503\)
• D) \(- 0.2242\)

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Definitions:

Imports

Products or services that are imported from another country for the purpose of selling.

Roses

A type of flowering plant renowned for its beauty and fragrance, often used symbolically in various cultural contexts.

Equilibrium Price

The price at which the quantity of goods supplied is equal to the quantity of goods demanded in a market.

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the point where supply equals demand in a market.