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What Are the Secondary Sources of Data and How Do

question 55

Essay

What are the secondary sources of data and how do these sources differ from primary sources? Give examples of sources from which secondary data can be obtained.


Definitions:

Student T Distribution

A probability distribution used in statistical inference for datasets with small sample sizes and unknown population standard deviations.

Variance

A measure of the dispersion of a set of data points around their mean; the average of the squared differences from the Mean.

Degrees of Freedom

The number of independent values or quantities that can freely vary in the analysis of statistical calculations without violating any constraints.

Exponential Distribution

A continuous probability distribution used to model the time between events in a process with a constant rate.

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