Calculators

Create and discover interactive calculators for various scenarios and measurements.

Binomial Distribution Calculator

Statistics

Calculates the probability of observing a specific number of successes in a fixed number of independent Bernoulli trials, given the probability of success on each trial.

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Z-score Calculator

Statistics

Calculates how many standard deviations a data point is from the mean of its distribution.

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Coefficient of Variation Calculator

Statistics

Calculates the ratio of the standard deviation to the mean, providing a relative measure of dispersion.

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Range Calculator

Statistics

Calculates the difference between the maximum and minimum values in a dataset.

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Central Limit Theorem Calculator

Statistics

Illustrates how the sampling distribution of the mean approaches normality as sample size increases.

194
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Spearman's Rank Correlation Coefficient Calculator

Statistics

Calculates Spearman's rank correlation coefficient, measuring the strength and direction of association between two ranked variables.

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A/B Test Calculator

Statistics

Calculates the statistical significance and other key metrics for A/B test results.

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IQR Calculator

Statistics

Calculates the Interquartile Range (IQR), which is the difference between the third quartile (Q3) and the first quartile (Q1). The IQR measures the spread of the middle 50% of a dataset.

191
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Engagement Rate Calculator

Statistics

Calculates the engagement rate for social media posts. Engagement rate is a key metric for evaluating the effectiveness of content and the level of audience interaction.

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Raw Score Calculator

Statistics

Calculates the original data point value given a Z-score, mean, and standard deviation.

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