Question

If the range of the following data is $13$, then find the value of '$k$'?
(Data in ascending order)
$11,12,15,16,18,20,k$

Answer 1

Data in ascending order: $11,12,15,16,18,20,k$

Range$=13$

Highest term$-$Lowest term$=13$

$k-11=13$

$k=13+11$

$k=24$

$\therefore k=24$.