Chapter Overview
This chapter introduces the foundational concepts of Statistics. Students learn how to collect and present data meaningfully, organize it into frequency distributions, and visualize it using bar graphs and histograms. The chapter also covers measures of central tendency like mean, median, and mode to help summarize and interpret data effectively.
Important Keywords
- Data: A collection of facts, such as numbers, words, or measurements.
- Frequency: The number of times a particular data value occurs.
- Frequency Distribution: A table that shows the frequency of various outcomes.
- Mean: The average value of a data set.
- Median: The middle value in an ordered data set.
- Mode: The most frequently occurring value in a data set.
- Bar Graph: A chart with bars to show frequencies.
Detailed Notes
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