I have attached the work sheet and what we covered this week 
  Knewton 
Week 3: Measures of Central TendencyJan 2610 pts
Week 3: Understanding Measures of Central TendencyJan 2610 pts
Week 3: Distribution ShapeJan 2610 pts
Week 3: Standard DeviationJan 2610 pts
Week 3: Quartiles and Box PlotsJan 2610 pts