A large company wants to administer a satisfaction survey to its current customers. Using their customer database, the company
randomly selects 8080 customers and asks them about their level of satisfaction with the company. Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.
In statistics , a random sampling technique is a simple sampling technique in which researcher choose 'n' individuals from N population , such that the chances for each individual to get selected are equal as .
Here , the company wants to administer a satisfaction survey to its current customers.
So , Population → All current customers
Using their customer database, the company randomly selects 80 customers , it means each customer had the same chance to get selected.
Hence, the type of sampling is used : Random sampling