Question

The weekly wages (in $Rs$) of $30$ workers in a factory are:
$830,835,890,810,835,836,869,845,898,890,820,860,832,833$, $855,845,804,808,812,840,885,835,835,836,878,840,868,890$, $806,840$
Using tally marks make a frequency table with intervals as $800-810,810-820$ and so on

Answer 1

Interval Tally marks Frequency

$800-810$ $|||$ $3$

$810-820$ $||$ $2$

$820-830$ $|$ $1$

$830-840$ $\text{/}||||$ $|||$ $9$

$840-850$ $\text{/}||||$ $5$

$850-860$ $|$ $1$

$860-870$ $|||$ $3$

$870-880$ $|$ $1$

$880-890$ $|$ $1$