6. Statistics
Statistics is a mathematical discipline focused on the organization, analysis, and interpretation of data. It employs various methods for collecting and presenting data, as well as measures of central tendency, which include mean, median, and mode. Graphical representations further aid in understanding data distributions and trends.
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What we have learnt
- Statistics involves collecting and analyzing data to make informed decisions.
- Data can be represented in different forms such as tables and graphs.
- Key measures of central tendency include mean, median, and mode which summarize data effectively.
Key Concepts
- -- Statistics
- The branch of mathematics that deals with the collection, organization, analysis, and interpretation of data.
- -- Mean
- The average value of a data set, computed by dividing the sum of all observations by the number of observations.
- -- Median
- The middle value of a data set when arranged in order; it represents a typical value when the data is divided into two halves.
- -- Mode
- The value that appears most frequently in a data set; a set can have no mode, one mode, or multiple modes.
- -- Graphical Representation
- Methods such as bar graphs, pie charts, and histograms to visually display data for easier interpretation.
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