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# Introduction to Statistical Concepts

Raj Kumar
09/07/2018 0 0

Statistics is science dealing with numbers

used for collection, summarisation and analysis of data

There are various type of statistics

1) Biostatistics

2) Inferential statistics

3) Descriptive Statistics

Two main statistical methods are used in data analysis:

Descriptive statistics:

Which summarise data from a sample using indexes such as the mean or standard deviation

inferential statistics:

Which conclude data that are subject to random variation (e.g., observational errors, sampling variation)

Where the Mean median mode is called Measure of central tendency

Range, Standard deviation and variance is called Measure of dispersion

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