Construct a Relative Frequency Histogram for the Test Grades for a University

question 21

Essay

Construct a relative frequency histogram for the test grades for a university business statistics class. $$\begin{array} { | l | l | l | r | r | r | r | r | r | r | } \hline 63 & 74 & 42 & 65 & 51 & 54 & 36 & 56 & 68 & 57 \\\hline 62 & 64 & 76 & 67 & 79 & 61 & 81 & 77 & 59 & 38 \\\hline 84 & 68 & 71 & 94 & 71 & 86 & 69 & 75 & 91 & 55 \\\hline 48 & 82 & 83 & 54 & 79 & 62 & 68 & 58 & 41 & 47 \\\hline\end{array}$$

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus through the umbilical cord.

Oxygenated Blood

Blood that is rich in oxygen, typically found in the arterial system, except for the pulmonary arteries, which carry deoxygenated blood to the lungs.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to all parts of the body.

Oxygenated Blood

Blood that has been enriched with oxygen in the lungs and is transported via arteries from the heart to supply the tissues of the body.