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Quartiles from Frequency Tables

Quartiles from Frequency Tables. 1. Copy and complete. 2. Calculate Q 1 ,Q 2 and Q 3. 3. Calculate semi inter quartile range. 4. Another school had SIQR of 0.5 Comment on differences. 1. Copy and complete. 3.Calculate SIQR. 5 – 2. 2. 5. = 1.5. 9. Q 1. 16. Q 2. 20. Q 3. 27.

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Quartiles from Frequency Tables

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  1. Quartiles from Frequency Tables

  2. 1. Copy and complete 2. Calculate Q1,Q2 and Q3 3. Calculate semi inter quartile range 4. Another school had SIQR of 0.5 Comment on differences.

  3. 1. Copy and complete 3.Calculate SIQR 5 – 2 2 5 = 1.5 9 Q1 16 Q2 20 Q3 27 2. Calculate Q1,Q2 and Q3 1 1 6 1 6 6 6 Q1(7th) Q2(14th) Q3 (21st)

  4. 4. Another school had SIQR of 0.5 Comment on differences. other school had less widespread results – more students doing same

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