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We begin by introducing two general types of statistics: Descriptive statistics: statistics that summarize observations. Inferential statistics: statistics used to interpret the meaning of descriptive statistics.

Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. In other words, it is a mathematical discipline to collect, summarize data. Also, we can say that statistics is a branch of applied mathematics.

In descriptive statistics we use location measures in order to describe the central value or central position of a distribution. Among the most important are: arithmetic mean. median. mode.

The common measures of location are quartiles and percentiles. Previously, we learned that the median is a number that measures the ?center? of the data. But the median can also be thought of as a measure of location because the median is the ?middle value? of a set of data.

Statistics is the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data.

STATISTICS. Definitions: - ?The classified facts relating the condition of the people in a state specially those facts which can be stated in members or in tables of members or in any tabular or classified arrangements.? -Webster. ?Statistics may be regarded as (i) the study of population (ii) The study of.

Statistics Definition: Statistics is a branch that deals with every aspect of the data. Statistical knowledge helps to choose the proper method of collecting the data and employ those samples in the correct analysis process in order to effectively produce the results.