SAT Scores for Students Selected Randomly from Two Different Schools

question 17

Essay

SAT scores for students selected randomly from two different schools are shown in the table.At a significance level of 0.05,does the Wilcoxon rank sum test provide evidence of a difference between the two schools? $$\begin{array} {ccc|ccc} &{ \text { School A } } & &&{ \text { School B } } \\\hline 550 & 480 & 670 & 460 & 580 & 620 \\400 & 700 & 520 & 380 & 680 & 570 \\540 & 740 & 560 & 660 & 500 & 480 \\360 & 560 & 650 & & 600 & 550\end{array}$$

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Definitions:

Facilitated Diffusion

The process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins.

Pinocytosis

A form of endocytosis where a cell engulfs liquid containing dissolved substances into a vesicle.

Phagocytosis

The process by which cells engulf and digest solid substances, like bacteria or damaged cell components.

Active Process

involves energy expenditure by the cell to perform tasks such as transporting molecules against a concentration gradient.