7.6 Sampling From A Population Flashcards
The ____ is composed of all individuals of interest to the researcher.
population
Most research projects involve ____ participants from a population of interest.
sampling
With proper sampling, we can use information obtained from participants who were sampled to precisely estimate ____ of the population is a whole.
characteristics
____ ____ allows us to infer what the population is like, based on data obtained from a sample.
Statistical theory
The term used in inferential statistics that measures the probability that a population parameter will fall between two set values is a ____ ____. The confidence interval can take any number of probabilities, with the most common being 95% or 99%.
Confidence interval.
The confidence interval gives you information about the likely amount of the error. The formal term for this error is ____ ____.
sampling error
A ____ sample size will reduce the size of the confidence interval.
larger
Sample size can be determined using a ____ ____ that takes into account the size of the confidence interval and the size of the population you are studying.
mathematical formula