Why Statistics for data science?

There are 2 types of statistics.

Sample Vs Population


It includes all the elements from the data set and measurable characteristics of the population such as mean and standard deviation are known as a parameter. For example, All people living in India indicate the population of India.


It includes one or more observations that are drawn from the population and the measurable characteristic of a sample is a statistic. Sampling is the process of selecting the sample from the population. For example, some people living in India are the sample of the population.

There are 2 types of data to remember before working with datasets.



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