Determine the Quartile or Interquartile Range as Specified $\begin{array} { l l l l l l } 40 & 45 & 50 & 56 & 58 \end{array}$

question 72

Multiple Choice

Determine the quartile or interquartile range as specified.
-The test scores of 15 students are listed below. Find the first quartile, Q1 . $\begin{array} { l l l l l l } 40 & 45 & 50 & 56 & 58 \end{array}$
$\begin{array} { l l l l l } 63 & 67 & 70 & 74 & 77 \end{array}$
$\begin{array} { l l l l l } 85 & 87 & 90 & 94 & 95 \end{array}$

• A)53.0
• B) 54.50
• C) 56
• D) 57