In statistics, a predetermined number of observations can be extracted from a larger population. This is called sampling. There are many sampling techniques adopted by researchers and statisticians and the type of sampling depends upon the analysis to be performed. When it seems time consuming to obtain data from every member of the population, then sampling techniques are employed.
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
Recorded Answer
Current status:
Beginning in 35 seconds.