Question

The following data represents the weekly wages $\text{Rs}$ of 15 workers in a factory: $900,850,800,850,750,950,900,950,800,750,900,750,800$ and $850$.
Prepare a frequency distribution table. Then find,
(i) how many workers are getting less than $\text{Rs}850$ per week ?

Answer 1

Step 1 : Preparing the frequency distribution table
The required frequency distribution table of weekly wages $\text{Rs}$ will be as shown below:


Step 2 : Finding the no. of workers getting less than 850 rupees per week

Workers getting less than $\text{Rs}850$ per week
$=\text{No.of workers getting Rs}750+\text{No. of workers getting Rs}800$
$=3+4$
$=7$