Question

What is Q3 for this data set?{61, 61, 61, 63, 64, 64, 65, 66, 67, 68, 68, 69, 69}61626568

Answer 1

Given:

$\mleft\lbrace61,61,61,63,64,64,65,66,67,68,68,69,69\mright\rbrace$

In number 3 sets is 61 ans 4 number is 64

so Q3 is:

$\begin{gathered} Q_3=\frac{61+63}{2} \\ =\frac{124}{2} \\ =62 \end{gathered}$