The Data Below Are the Number of Absences and the Final

question 114

Essay

The data below are the number of absences and the final grades of 9 randomly selected students from a
statistics class. Test the significance of the correlation coefficient using α $\alpha = 0.05$ and the claim ρ $\varrho = 0 .$ $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Number of absences, } x & 1 & 4 & 7 & 5 & 10 & 3 & 16 & 9 & 6 \\\hline \text { Final Grade, } y & 89 & 77 & 71 & 73 & 62 & 83 & 46 & 67 & 73\end{array}$$

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Definitions:

Itches

A sensation on the skin that provokes the desire or reflex to scratch.

Pulmonary Disease

A broad category of disorders affecting the lungs and respiratory system, such as asthma, chronic obstructive pulmonary disease (COPD), and pulmonary fibrosis.

Nail Bed

The portion of the finger or toe on which the nail rests, supplying it with nutrients and support for growth.

Baseline Data

Baseline data refers to information collected at the beginning of a study from which variations found in the study are measured.