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Home > A-Level Maths > AS ONLY > L: Data Presentation & Interpretation > L3: Central Tendency & Variation
From the DfE Mathematics AS and A-Level Content (LINK):
Ungrouped Data: Mean, Mode, Median & Quartiles
Ungrouped Data: Mean, Mode, Median & Quartiles
L3-01 [Data: Finding the Mean from Ungrouped Data]
L3-01 [Data: Finding the Mean from Ungrouped Data]
L3-02 [Data: Finding the Mode from Ungrouped Data]
L3-02 [Data: Finding the Mode from Ungrouped Data]
L3-03 [Data: Finding the Median and Quartiles from Ungrouped Data]
L3-03 [Data: Finding the Median and Quartiles from Ungrouped Data]
Grouped Data: Mean, Mode, Median & Quartiles
Grouped Data: Mean, Mode, Median & Quartiles
L3-04 [Data: Estimating the Mean from Grouped Data]
L3-04 [Data: Estimating the Mean from Grouped Data]
L3-05 [Data: Estimating the Median from Grouped Data]
L3-05 [Data: Estimating the Median from Grouped Data]
L3-06 [Data: Estimating the Quartiles from Grouped Data]
L3-06 [Data: Estimating the Quartiles from Grouped Data]
The Interquartile Range
The Interquartile Range
L3-07 [Data: The Interquartile Range]
L3-07 [Data: The Interquartile Range]
The Midrange (OCR MEI only)
The Midrange (OCR MEI only)
L3-08 [Data: OCR MEI ONLY The Midrange]
L3-08 [Data: OCR MEI ONLY The Midrange]
Comparing Data Sets
Comparing Data Sets
L3-09 [Data: Comparing Data Sets Problem 1]
L3-09 [Data: Comparing Data Sets Problem 1]
L3-10 [Data: Comparing Data Sets Problem 2]
L3-10 [Data: Comparing Data Sets Problem 2]
Variance and Standard Deviation
Variance and Standard Deviation
L3-11 [Data: Introducing the Variance and Standard Deviation]
L3-11 [Data: Introducing the Variance and Standard Deviation]
L3-12 [Data: Comparing Data Sets Problem 2 AGAIN!]
L3-12 [Data: Comparing Data Sets Problem 2 AGAIN!]
L3-13 [Data: The Sample Standard Deviation]
L3-13 [Data: The Sample Standard Deviation]
L3-14 [Data: OCR MEI and the Standard Deviation]
L3-14 [Data: OCR MEI and the Standard Deviation]
L3-15 [Data: EXTENSION Alternative Formulae for the Standard Deviation]
L3-15 [Data: EXTENSION Alternative Formulae for the Standard Deviation]
L3-16 [Data: The Standard Deviation from Summary Statistics]
L3-16 [Data: The Standard Deviation from Summary Statistics]
Linear Coding
Linear Coding
L3-17 [Data: Introducing Linear Coding]
L3-17 [Data: Introducing Linear Coding]
L3-18 [Data: Example of Linear Coding]
L3-18 [Data: Example of Linear Coding]
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