Relative Frequency Formula:
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Relative Frequency (RF) is the fraction or proportion of times a value occurs in a dataset compared to the total number of observations. It's a fundamental concept in statistics for understanding probability distributions.
The calculator uses the Relative Frequency formula:
Where:
Explanation: The formula calculates what proportion of the total observations a particular event represents.
Details: Relative frequency is essential for probability estimation, statistical analysis, and data visualization. It allows comparison between datasets of different sizes.
Tips: Enter the count of the event and the total number of observations. Both values must be positive numbers, with count ≤ n.
Q1: What's the difference between frequency and relative frequency?
A: Frequency is the raw count, while relative frequency is the proportion (frequency divided by total observations).
Q2: Can relative frequency be greater than 1?
A: No, relative frequency always ranges between 0 and 1 (or 0% to 100% when expressed as percentage).
Q3: How is relative frequency related to probability?
A: Relative frequency can serve as an empirical estimate of probability in many cases.
Q4: What are common applications of relative frequency?
A: Used in histograms, probability distributions, survey analysis, and quality control processes.
Q5: How precise should relative frequency values be?
A: Typically reported to 2-4 decimal places depending on sample size and application requirements.