4.2 Introduction to Using Data Sets

1. Exam Points

• Identify the data sets to be used for getting required information.
• What information can be extrapolated from given data sets.

2. Knowledge Points

• (1) Data Sets
  • A data set is a collection of data.
  • Data sets can be manipulated and analyzed to solve a problem or answer a question.
  • Data can be represented in a diagram by using a chart or table (in databases).
  • Example:
    
  • Each row/record is called an entry.

3. Exercises

• Practice
• Solution