One-Variable Statistics (Chapter 3)
Lesson 6: Measures of Spread (3.5)
Video 1: What is Data Variability or Spread?
Measures of Spread: Range, Variance, Standard Deviation, Quartiles, & Interquartile Range
Measures of Spread: Range, Variance, Standard Deviation, Quartiles, & Interquartile Range
Video 2: Determining the Range of a Data Set
Range = Maximum Value – Minimum Value
Range = Maximum Value – Minimum Value
Video 3: Determining the Variance and Standard Deviation of a Data Set
μ = Mean
σ² = Variance
σ = Standard Deviation (Square Root of Variance)
Σ = Sum Total
μ = Mean
σ² = Variance
σ = Standard Deviation (Square Root of Variance)
Σ = Sum Total
Video 4: What are Quartiles and Interquartile Range?
Video 5: Interquartile Range for Odd-Number Data and Even-Number Data
Worksheet 8-6
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SmartBoard Notes:
Assigned Work:
1. Worksheet 8-6
2. Do exercises on p. 145 - #1, #5 to 6 (c to d), #7 to 8
1. Worksheet 8-6
2. Do exercises on p. 145 - #1, #5 to 6 (c to d), #7 to 8