Question

The relative humidity (in %) of a certain city for a September month of $30$ days was as follows:

$98.1$	$98.6$	$99.2$	$90.3$	$86.5$	$95.3$	$92.9$	$96.3$	$94.2$	$95.1$
$89.2$	$92.3$	$97.1$	$93.5$	$92.7$	$95.1$	$97.2$	$93.3$	$95.2$	$97.3$
$96.0$	$92.1$	$84.9$	$90.0$	$95.7$	$98.3$	$97.3$	$96.1$	$92.1$	$89$

Construct a grouped frequency distribution table with classes $84-86,86-88$ etc

Answer 1

The grouped frequency distribution table is follows-
Note: $90$ comes in interval $90-92$ likewise $96$ comes in $96-98$ class interval.