The method of gathering data for calculating and analyzing reliable insights is known as data collection, which is done using standard validated techniques. A researcher or scientist works based on the collected data. Data collection is a primary and essential step in most cases. The approach of data collection is different in different fields.
Collecting data from different sources
For Example, if we survey the temperature of many cities worldwide on the same day, the first important step would be to collect data on temperature from many towns. Let us assume we have recorded temperature across six cities at the same time. The temperature data collected are as follows.
Temperature recordings
Now, if we represent this data in a bar chart, it will look like below.
Temperature bar chart
