Aspirin may reduce death in hospitalized COVID-19 patients

Researchers at the George Washington University published findings from the world's largest cohort study showing that hospitalized patients with moderate COVID-19 who were given aspirin early on in their treatment had a lower ...

Arthritis & Rheumatism

Predicting the progression of rheumatoid arthritis

Predicting the future may be beyond our grasp, but what about predicting disease progression? Researchers in Japan have delved into the human genome to investigate a predictive tool for the progression of rheumatoid arthritis ...

Diseases, Conditions, Syndromes

Social media useful tool in pandemic contact tracing

It will soon be two years since the World Health Organisation declared that COVID-19 had reached pandemic status. In that time, millions have died from the disease and many more than that have been infected, some suffering ...

Psychology & Psychiatry

Loneliness among emerging adults increased slightly

Emerging adults today feel lonelier than in the past—and not just since the coronavirus pandemic. This is indicated by an evaluation of studies on the loneliness of emerging adults between 1976 and 2019, conducted by a ...

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Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data. Statisticians improve the quality of data with the design of experiments and survey sampling. Statistics also provides tools for prediction and forecasting using data and statistical models. Statistics is applicable to a wide variety of academic disciplines, including natural and social sciences, government, and business.

Statistical methods can be used to summarize or describe a collection of data; this is called descriptive statistics. This is useful in research, when communicating the results of experiments. In addition, patterns in the data may be modeled in a way that accounts for randomness and uncertainty in the observations, and are then used to draw inferences about the process or population being studied; this is called inferential statistics. Inference is a vital element of scientific advance, since it provides a prediction (based in data) for where a theory logically leads. To further prove the guiding theory, these predictions are tested as well, as part of the scientific method. If the inference holds true, then the descriptive statistics of the new data increase the soundness of that hypothesis. Descriptive statistics and inferential statistics (a.k.a., predictive statistics) together comprise applied statistics.

There is also a discipline called mathematical statistics, which is concerned with the theoretical basis of the subject.

The word statistics can either be singular or plural. In its singular form, statistics refers to the mathematical science discussed in this article. In its plural form, statistics is the plural of the word statistic, which refers to a quantity (such as a mean) calculated from a set of data.

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