This video contains basic idea about median and two examples.
Use the Following links for specific concepts…
The introduction of Statistics:
• STATISTICS || INTRODUCTION TO BASIC CONCEPTS
Mean: Direct method:
• STATISTICS || MEAN || DIRECT METHOD
Mean: Step Deviation Method
• STATISTICS || MEAN - STEP DEVIATION METHOD
Mean: Assumed Mean Method
• STATISTICS || MEAN - ASSUMED MEAN METHOD
Mode Part 1:
• STATISTICS || MODE - PART 1