The test scores of 40 students are listed below. Find P56._ $\begin{array} { l l l l l l l l l l } 30 & 35 & 43 & 44 & 47 & 48 & 54 & 55 & 56 & 57 \end{array}$
$\begin{array} { l l l l l l l l l l l } 59 & 62 & 63 & 65 & 66 & 68 & 69 & 69 & 71 & 72 \end{array}$
$\begin{array} { l l l l l l l l l l } 30 & 35 & 43 & 44 & 47 & 48 & 54 & 55 & 56 & 57 \ 59 & 62 & 63 & 65 & 66 & 68 & 69 & 69 & 71 & 72 \ 72 & 73 & 74 & 76 & 77 & 77 & 78 & 79 & 80 & 81 \ 81 & 82 & 83 & 85 & 89 & 92 & 93 & 94 & 97 & 98 \end{array}$
$\begin{array} { l l l l l l l l l l } 72 & 73 & 74 & 76 & 77 & 77 & 78 & 79 & 80 & 81 \end{array}$
$\begin{array} { l l l l l l l l l l } 81 & 82 & 83 & 85 & 89 & 92 & 93 & 94 & 97 & 98 \end{array}$
A)73.5
B)22.4
C)74
D)73

Question

Quizplus · Accepted Answer

P56 is the 56th percentile, which means that 56% of the data is below this value. Since there are 40 data points, the 56th percentile is the 22nd data point. The 22nd data point is 74, so the answer is C.

The Test Scores of 40 Students Are Listed Below 30354344474854555657\begin{array} { l l l l l l l l l l } 30 & 35 & 43 & 44 & 47 & 48 & 54 & 55 & 56 & 57 \end{array}30​35​43​44​47​48​54​55​56​57​

The Test Scores of 40 Students Are Listed Below $\begin{array} { l l l l l l l l l l } 30 & 35 & 43 & 44 & 47 & 48 & 54 & 55 & 56 & 57 \end{array}$