The Data Below Are the Final Exam Scores of 10 $\alpha = 0.05$

question 68

Essay

The data below are the final exam scores of 10 randomly selected statistics students and the number of hours
they studied for the exam. Test the significance of the correlation coefficient using α $\alpha = 0.05$ and the claim ρ $Q = 0 \text {. }$ $$\begin{array} { l | c | c | c | c | c | c | c | c | c | c | } \text { Hours, } \mathrm { x } & 4 & 6 & 3 & 9 & 3 & 5 & 5 & 6 & 7 & 4 \\\hline \text { Scores, } y & 67 & 82 & 62 & 90 & 68 & 80 & 87 & 92 & 92 & 73\end{array}$$

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Definitions:

Osteoblasts

Bone-forming cells that turn membrane into bone. They use excess blood calcium to build new bone.

Calcitonin

A hormone secreted by the thyroid gland that helps regulate calcium levels in the blood by inhibiting bone resorption.

Excess Blood

A condition where there is more blood in the body or a part of the body than what is considered normal or healthy.

Bone Tissue

A hard, dense connective tissue that forms the structural elements of the skeleton, providing support, protection, and aiding in movement.