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09:22 Lecture - Understanding Descriptive Statistics Lecture - Understanding Descriptive Statistics	Lecture - Understanding Descriptive Statistics scores students deviation average distribution assessment range statistics lot score variability questions math bit student performance class sense week indicator From Chris Torres 24 plays 0
03:14 Calculating Standard Deviation in Excel Calculating Standard Deviation in Excel	Calculating Standard Deviation in Excel deviation numbers schools variability lot performance average values hundreds distribution differences scores spread oops function measure ranges amount bunch contrast From Chris Torres 77 plays 0