Examlex
Observational interviews are recognized as a classification for the various methods of collecting survey data.
Population Standard Error
A measure of the estimation uncertainty in predicting a population parameter based on a sample statistic.
Confidence Interval
A confidence interval is a range of values derived from sample data that is likely to cover the true value of an unknown population parameter.
Mean
The average of a set of numbers, calculated by adding all the numbers together and dividing by the count of those numbers.
Sampling Error
Differences between statistics calculated from a sample and statistics pertaining to the population from which the sample is drawn due to random, chance factors.
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