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Descriptive, Correlation and Chi-Square Tests

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Description of basic statistics including descriptives, correlations and chi square techniques

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Basic Statistics

Descriptive Statistics
Descriptive statistics are ways of summarising numerical data to make them more easily interpretable. Descriptive statistics include the mean, standard deviation, variance, minimum, maximum, range, standard error of the mean, kurtosis and skewness of a set of scores. Correlations between variables are also descriptive statistics, however in practice these are usually treated separately.

Descriptive statistics are very useful and can clearly display data in a form that people can easily understand. They can add colour and interest to a project or presentation.

Correlation
The ...

Solution Summary

Descriptive statistics are ways of summarising numerical data to make them more easily interpretable. Descriptive statistics include the mean, standard deviation, variance, minimum, maximum, range, standard error of the mean, kurtosis and skewness of a set of scores.

The correlation between two variables is the degree of (usually) linear relationship between them. The concept of correlation was first introduced by Sir Francis Galton in 1877.

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