Chapter Overview
The chapter 'Data Handling' introduces students to the collection, organization, and analysis of data. It covers various forms of data representation including pictographs, bar graphs, double bar graphs, and pie charts, along with concepts such as mode, median, and mean. The aim is to develop skills to read and interpret information effectively and use data to make decisions.
Important Keywords
- Data: Information collected in numerical or categorical form.
- Frequency: The number of times an observation occurs.
- Pictograph: A visual representation of data using symbols or pictures.
- Bar Graph: A chart that uses bars of different heights to represent data.
- Double Bar Graph: A bar graph that compares two sets of data.
- Mean: The average of a set of numbers.
- Median: The middle value in an ordered data set.
- Mode: The value that occurs most frequently in a data set.
Detailed Notes
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