Answer: the sample is not representative of the community.
Explanation:
Online surveys or surveys in general are made to obtain relevant information about a particular issue. If samples are not representative of that issue, they end up having little use.
Answer:
Extreme programming is a software development technique which is used to enhance software quality and it's response to ever changing customer requirements.
Testing
Testing is main focus in extreme programming.Extreme programming addresses testing in a way that if a minute testing can eliminate a bit of flaws, extensive testing can terminate a lot of flaws.
Evolution in Extreme programming is like this:-
Coding:-First programmers will code the problem.
Testing :- Testing is done to remove flaws.
Listening:- Programmers must listen to the customers to what they need.
Designing:-Then design according to the customer needs.
The difference between abstract language and abstract language is that abstract language is known through the intellect and concrete language is known through the senses.
<h3>What are abstract and concrete languages?</h3>
The abstract language uses the words like kind, truth, grace, etc. It is a form of language that indicates the intellectual, but concrete language can be known by the senses.
Thus, the distinction between concrete and abstract language is that concrete language is understood via the senses, whereas abstract language is understood through the mind.
To learn more about abstract and concrete languages, refer to the link:
brainly.com/question/16550006
#SPJ4