# Absolute Experimental Frequency

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An Absolute Experimental Frequency is an empirical frequency for Random Experiment Outcomes that occur within some given Random Experiment Event.

**AKA:**Random Experiment Trial Frequency.**Counter-Example(s)****See:**Expected Frequency, Theoretical Frequency, Experimental Probability.

## References

### 2003

- http://www.teacherlink.org/content/math/interactive/probability/glossary/glossary.html
- Experimental Frequency: The number of times an outcome has been observed to occur during repeated trials of an experiment; also called Empirical Frequency.

### 2002

- http://www.teacherlink.org/content/math/interactive/probability/glossary/glossary.html
- Empirical Probability: Probability estimate for an outcome of an experiment based on the outcome’s empirical frequency; also called Experimental Probability.
- Experimental Frequency: The number of times an outcome has been observed to occur during repeated trials of an experiment; also called Empirical Frequency.

### 1987

- (Hogg & Ledolter, 1987) ⇒ Robert V. Hogg, and Johannes Ledolter. (1987). “Engineering Statistics.” Macmillan Publishing.
- The collection of all possible outcomes, namely [math]S[/math] = {H,T}, is called the
*sample space*. Suppose that we are interested in a subset [math]A[/math] of our sample space; for example, in our case, let*A*={H} represent heads. Repeat this random experiment a number of times, say [math]n[/math], and count the number of times, say [math]f[/math], that the experiment ended in*A*. Here [math]f[/math] is called the*frequency*of the*event A*and the ratio f/n is called the*relative frequency*of the**event**[math]A[/math] in the [math]n[/math] trials of the experiment. *Random experiments*have*outcomes*that cannot be determined with certainty before the experiments are performed... The collection of all possible outcomes, namely [math]S[/math] = {H,T}, is called the*sample space*. Suppose that we are interested in a subset [math]A[/math] of our sample space; for example, in our case, let*A*={H} represent heads. Repeat this random experiment a number of times, say [math]n[/math], and count the number of times, say [math]f[/math], that the experiment ended in*A*. Here [math]f[/math] is called theof the**frequency***event A*and the ratio f/n is called the*relative frequency*of the event [math]A[/math] in the [math]n[/math] trials of the experiment.

- The collection of all possible outcomes, namely [math]S[/math] = {H,T}, is called the