Category Statistics Theory

Measure of dispersion in statistics

Measure of dispersion

Measures of dispersion, also known as measures of variability or spread, are statistical measures that describe how spread out or varied a set of data is. There are several different measures of dispersion, including the range, interquartile range, variance, and…

Measures of central tendency

Measures of central tendency

Measures of central tendency are statistical measures that describe the central or typical value of a set of data. The three most common measures of central tendency are the mean, median, and mode. The mean, also known as the arithmetic…

How to calculate mean

How to calculate mean

In statistics, the mean is a measure of central tendency that represents the average value of a set of data. It is calculated by adding up all the values in the set and dividing the sum by the total number…

What is descriptive statistics

descriptive statistics

Descriptive statistics is a branch of statistics that deals with the collection, analysis, interpretation, presentation, and organization of data. It is concerned with the description and summary of data, rather than making inferences or predictions based on the data. Descriptive…

What is inferential statistics

inferential statistics

Inferential statistics is a branch of statistics that deals with drawing conclusions about a population based on a sample. It is used to make predictions about the population based on the characteristics of the sample. This is an important tool…

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