$$\begin{array}{l}
\text { The test scores of } 32 \text { students are listed below. Find } Q _ { 3 } \text {. }\
\begin{array} { l l l l l l l l }
32 & 37 & 41 & 44 & 46 & 48 & 53 & 55 \
56 & 57 & 59 & 63 & 65 & 66 & 68 & 69 \
70 & 71 & 74 & 74 & 75 & 77 & 78 & 79 \
80 & 82 & 83 & 86 & 89 & 92 & 95 & 99
\end{array}
\end{array}$$
A) 79.5
B) 79
C) 24
D) 80

Question

$$\begin{array}{l}
\text { The test scores of } 32 \text { students are listed below. Find } Q _ { 3 } \text {. }\
\begin{array} { l l l l l l l l } 
32 & 37 & 41 & 44 & 46 & 48 & 53 & 55 \
56 & 57 & 59 & 63 & 65 & 66 & 68 & 69 \
70 & 71 & 74 & 74 & 75 & 77 & 78 & 79 \
80 & 82 & 83 & 86 & 89 & 92 & 95 & 99
\end{array}
\end{array}$$
A) 79.5
B) 79
C) 24
D) 80

Quizplus · Accepted Answer

Q3, the third quartile, is the median of the upper half of the data. For 32 data points, Q3 is the average of the 24th and 25th values, which are 79 and 80, so Q3 = (79 + 80) / 2 = 79.5.

A) 795 B) 79 C) 24 D) 80

A) 795
B) 79
C) 24
D) 80