Population, Sample, Data, Statistic
- SAMPLE - a collection - 1, more than 1, or perhaps all (here, you would know this by emptying or filling the tank).
- POPULATION - a collection of all the items under consideration (here, you would know this by emptying or filling the tank).
- STATISTICAL SAMPLE - a collection of raw data - counts, lengths, durations of time, test scores, integers, real numbers, etc.
- STATISTICAL POPULATION - a collection of all the raw data - counts, lengths, durations of time, test scores, integers, real numbers, etc.
One usually does not examine the entire population. Population statistics are often given in a situation. You might be studing the statistical sample.
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DATA or DATA POINT or RAW DATA - 1 piece of information -- as in the length of a fish, as in the number of fins on a fish, as in the color of a fish.
- STATISTIC - the processed information -- as in the average length of all the fish in the sample.
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