A sample size is how many people a study actually asked. A small sample size.
A tiny one can still be useful if it was chosen properly, and a huge one is worthless if it was not. A sample size of thirty is often quoted as a minimum and is a rule of thumb rather than a law.
1nounsample sizeHow many people a study actually asked.
“The headline was based on a sample size of nineteen.”
sample size is a number.
Practised in Marketing & Advertising