Real Life Statistics

In real life statistics, we come across numerical data in the newspapers, magazines and television regarding different aspects like increase or decrease in population, profit made by a company in different years, weather report, etc. These numerical facts are also represented by graphs which are easy to understand.

Definition of statistics:

The term statistics is derived from a Latin word status meaning condition. The branch of mathematics which deals with the collection, presentation, analysis and interpretation of the numerical data is called statistics.

We have already learned how to draw and read the pie graph, column graph and line graph in the statistics sixth grade. Now, we will learn the terms related to statistics to handle the raw data, make frequency distribution table and calculate mean.

● Statistics

• Real Life Statistics
  
• Terms Related to Statistics
  
• Frequency Distribution of Ungrouped and Grouped Data
  
• Use of Tally Marks
  
• Class Limits in Exclusive and Inclusive Form
  
• Construction of Bar Graphs
  
• Mean
  
• Mean of the Tabulated Data
  
• Mode
  
• Median
  
• Construction of Pie Chart
  
• How to Construct a Line Graph?

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