Tales by Dots and Lines Class 8

What this chapter covers

• Mean and median
• The mean as a balance point
• Adding or removing values
• Changing every value
• Finding an unknown value
• Mean and median with frequencies
• Spreadsheets
• Line graphs
• Other ways of showing data

The short notes explain each of these topics with solved examples, the formula bank lists every result on one sheet, and the DPP sheet gives practice questions with an answer key.