Find the Critical Value

question 82

Essay

Find the critical value. Assume that the test is two-tailed and that n denotes the number of pairs of data.
-Use the sample data below to find the rank correlation coefficient and test the claim of correlation between math
and verbal scores. Use a significance level of 0.05. $$\begin{array} { l l l l l l l l l l } \text { Mathematics } & 347 & 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425 \\\hline \text { Verbal } & 285 & 378 & 243 & 371 & 340 & 271 & 294 & 322 & 385\end{array}$$

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Definitions:

Subarachnoid Space

The area between the arachnoid mater and pia mater around the brain and spinal cord, filled with cerebrospinal fluid.

Dural Venous Sinus

Channels located within the dura mater layer of the meninges that drain venous blood from the brain and transport it into the internal jugular vein.

Subdural Space

The area between the dura mater and the arachnoid mater of the brain, potentially a site for hematomas following head injury.

Cerebellum

The part of the brain at the back of the skull in vertebrates, responsible for coordinating and regulating muscular activity.