Below You Are Given the Examination Scores of 20 Students $$\begin{array} { l l l l l } 52 & 99 & 92 & 86 & 84 \\63 & 72 & 76 & 95 & 88 \\92 & 58 & 65 & 79 & 80 \\90 & 75 & 74 & 56 & 99\end{array}$$

Essay

Below you are given the examination scores of 20 students. $$\begin{array} { l l l l l } 52 & 99 & 92 & 86 & 84 \\63 & 72 & 76 & 95 & 88 \\92 & 58 & 65 & 79 & 80 \\90 & 75 & 74 & 56 & 99\end{array}$$ ​
a.
Construct a frequency distribution for this data. Let the first class be 50 - 59.
b.
Construct a cumulative frequency distribution.
c.
Construct a relative frequency distribution.
d.
Construct a cumulative relative frequency distribution.