If you take a phone book of a city and pick the seventh name and count down the next seven and so on, until you have a large enough sample size, this is known as:
A)table of random numbers.
B)skip interval.
C)stratified sample.
D)sample point.

Question

Quizplus · Accepted Answer

This is known as skip interval sampling, where a fixed pattern of skipping is used to select the sample. The skip interval in this case is 7. The other options listed refer to different sampling methods.

If You Take a Phone Book of a City and Pick