Test Scores
the Scores on a Calculus Test for a Random

Essay

Test scores
The scores on a calculus test for a random sample of 40 students are as follows:
$$\begin{array} { l l l l l l l l l l } 63 & 74 & 42 & 65 & 51 & 54 & 36 & 56 & 68 & 57 \\62 & 64 & 76 & 67 & 79 & 61 & 81 & 77 & 59 & 38 \\84 & 68 & 71 & 94 & 71 & 86 & 69 & 75 & 91 & 55 \\48 & 82 & 83 & 54 & 79 & 62 & 68 & 58 & 41 & 47\end{array}$$
-Consider the following cumulative frequency distribution.
$$\begin{array} { | c | c | c | } \hline \text { Classes Limits } & \text { Cumulative Frequency } & \text { Frequency } \\\hline < 5 & 11 & \\< 10 & 18 & \\< 15 & 24 & \\< 20 & 33 & \\< 25 & 45 & \\\hline\end{array}$$ Fill in the frequencies for each class in the above table.