Ways of Collecting Data:
Data can be collected in many ways:
1. By direct observation
Example: You want to find how many cars pass by a certain point on a road in a 10-minute interval. So, simply stand at that point on the road, and count the cars that pass by in that interval.
2. By doing a survey
Methodical ways has to be followed to collect data. This includes selecting population, determination of sample size, selecting questions, use of paper or electronic devices.
3. From indirect sources
Example: You want to know about how many voters are there in a particular area of Bangladesh (e.g. in DCC area). So, you may collect it from the Election Commission Secretariat or from Upazilla Election Office of that area.
Statlearner
Statlearner