Introduction to descriptive statistics ppt

  • What are the concepts of descriptive statistics?

    Descriptive statistics refers to a set of methods used to summarize and describe the main features of a dataset, such as its central tendency, variability, and distribution.
    These methods provide an overview of the data and help identify patterns and relationships..

  • At the bare minimum, if you are presenting statistics on a data set, it should include the mean and probably the standard deviation.
    This is the minimum information needed to get an idea of what the distribution of your data set might look like.
    How much additional information you include is entirely up to you.
  • Descriptive analytics is a form of analysis that tries to answer the question "What happened?" As such, it takes historical data to understand changes that have taken place.
    This allows companies to draw comparisons with other reporting periods or similar companies.

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