Statistics | Definition, Types, & Importance | Britannica
Dec 26, 2025 · Statistics, the science of collecting, analyzing, presenting, and interpreting data. Currently the need to turn the large amounts of data available in many applied fields into useful information has …
Statistics and its application | Britannica
statistics, Branch of mathematics dealing with gathering, analyzing, and making inferences from data.
Probability and statistics | History, Examples, & Facts | Britannica
Dec 26, 2025 · Probability and statistics, the branches of mathematics concerned with the laws governing random events, including the collection, analysis, interpretation, and display of numerical …
ANOVA | Definition & Facts | Britannica
Nov 28, 2025 · Student’s t-test, in statistics, a method of testing hypotheses about the mean of a small sample drawn from a normally distributed population when the population standard deviation is …
Mean | Definition, Formula, & Facts | Britannica
statistics, the science of collecting, analyzing, presenting, and interpreting data. Governmental needs for census data as well as information about a variety of economic activities provided much of the early …
Linear regression | Definition, Formula, & Facts | Britannica
Dec 13, 2025 · Linear regression, in statistics, a process for determining a line that best represents the general trend of a data set. The simplest form of linear regression involves two variables: y being the …
Kurtosis | Definition, Formula, & Facts | Britannica
Dec 23, 2025 · Kurtosis, in statistics, a measure of how much of a variable distribution can be found in the tails. The term kurtosis is derived from kurtos (Greek for “convex” or “humpbacked”).
Standard deviation | Mean, Variance & Distribution | Britannica
Dec 12, 2025 · statistics, the science of collecting, analyzing, presenting, and interpreting data. Governmental needs for census data as well as information about a variety of economic activities …
Percentage | Definition, Examples, & Usage | Britannica
In statistics, the notion of cumulative percentage (percentile) is in common use. For example, a student who scores at the 83rd percentile on an examination has exceeded the performance of 83 percent of …
Probability, Hypothesis Testing & Estimation - Britannica
Inference, in statistics, the process of drawing conclusions about a parameter one is seeking to measure or estimate. Often scientists have many measurements of an object—say, the mass of an …