This video is a special case on finding unknown frequencies. This is under the formula of median:
You can check the following video links for the remaining videos;
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
Median: Special Case
• STATISTICS || MEDIAN || EXAMPLE SPECIAL CASE