Statistics
The collection, analysis, interpretation, presentation, and organization of numerical data to understand patterns, make informed decisions, and draw meaningful conclusions.
Intro to Statistics
An introduction to basic statistics topics.
Introduction to Statistics
Classifying Data
Measures of Central Tendency
Central tendency refers to the idea that there is a single value that represents the "center" of a distribution or set of data.
Mean, Median, Mode, Range Calculator
Mean (Average)
Median Calculator
Mode Calculator
Summation
Weighted Mean
Probability
Probability in statistics quantifies the likelihood of events, ranging from 0 (impossible) to 1 (certain), based on data or theory.
Central Limit Theorem
Hypothesis Testing
Hypothesis Testing is a type of statistical analysis in which you put your assumptions about a population parameter to the test.
Z-test
T-test
Distributions
A probability distribution is the mathematical function that gives the probabilities of occurrence of different possible outcomes for an experiment.
Empirical Rule
Measures of Variability
Variability refers to the degree to which the data in a distribution are spread out.
Coefficient of Variation
Frequency Distribution Calculator
Interquartile Range
Mean Absolute Deviation
Range
MidRange
Quartiles
Outliers
Median Absolute Deviation
Pooled Variance
Relative Standard Deviation
Root Mean Square
Standard Deviation
Sum of Squares
Upper & Lower Fence Calculator
Variance
Z-Score Calculator
Measures of Shape
Measures of shape are used to describe the characteristics of the distribution of a dataset.
Kurtosis
Kurtosis Excess
Skewness
Measures of Precision
In statistics, measures of precision are used to quantify the degree of accuracy and reproducibility of a set of data.
Confidence Interval
Standard Error of the Mean (SEM)
Random Generation
Helpful tools for random number & text generation.
Generate Random Binary Strings
Generate Random Hex Strings
Generate Random IPv4 Addresses
Generate Random IPv6 Addresses
Generate Random Mac Addresses
Generate Random Octals
Generate Secure Password
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