The Following Frequency Distribution Analyzes the Scores on a Math

Multiple Choice

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

A) 89.5, 100.5
B) 89.5 , 100.5
C) 90.5 , 99.5
D) 89.5, 99.5