Chapter Overview
This chapter introduces the fundamental concepts of statistics. It focuses on organizing data, calculating measures of central tendency (mean, median, mode), dispersion (range, mean deviation, standard deviation), and representing data using graphical and tabular methods. These tools are essential for interpreting real-world information accurately.
Important Keywords
- Data: Collected facts, figures, and statistics for reference or analysis.
- Mean: The average of a data set, found by dividing the sum of all values by the number of values.
- Median: The middle value when the data is arranged in ascending or descending order.
- Mode: The most frequently occurring value in a data set.
- Standard Deviation: A measure of how much values in a data set deviate from the mean.
Detailed Notes
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