The Following Frequency Distribution Displays the Scores on a Math

question 33

Multiple Choice

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores interval 40-59. $$\begin{array} { c c } \hline \text { Scores } & \text { Number of Students } \\\hline 50 - 59 & 2 \\60 - 69 & 4 \\70 - 79 & 6 \\80 - 89 & 15 \\90 - 99 & 5 \\\hline\end{array}$$

• A) 49.5, 59.5
• B) 50.5, 59.5
• C) 49.5, 58.5
• D) 50.5, 58.5

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Definitions:

Proteoglycans

Large molecules found in the extracellular matrix of animal tissues, composed of protein and glycosaminoglycan chains, involved in holding cells together and providing cushioning.

Skeletal System

The framework of bones and cartilage that supports and protects the body, allows for movement, and produces blood cells.

Acid-Base Balance

The mechanism by which the body maintains its pH within a narrow range for optimal cellular function.

Calcium Hydroxyapatite

A mineral form of calcium apatite with the formula Ca5(PO4)3(OH), which is the main structural element found in bone and teeth.