Question

A total of $20$ patients admitted to a hospital have blood sugar levels as given below :
$67,69,74,73,70,70,71,68,73,74,73,75,69,72,70,70,72,70,73,74$. Make a frequency table.

Answer 1

Let us make interval of size $2,$

Class Interval	Frequency
$67-69$	$4$
$70-72$	$8$
$73-75$	$8$
Total	$20$