Chapter 2: Data Presentation and Interpretation

A-level MathematicsStatistics and Mechanics7 topicsHigher

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alevel · mathematics · Statistics and Mechanics · All papers

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Measures of Location and Spread Long-Answer Questions

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4 questions24 marks36 min

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6 marksfindstandardEdexcel

SM02-1: data 4, 5, 7, 9, 10. Find mean = 7 for mean, standard deviation and outliers. Show the method clearly by using sum the values and divide by the number of observations.

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6 marksshow thatstandardEdexcel

SM02-2 verification: show that the printed answer is valid by applying sum the values and divide by the number of observations. Include a check using data 4, 5, 7, 9, 10.

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6 marksprovehardEdexcel

SM02-3 proof: starting with data 4, 5, 7, 9, 10, prove mean = 7 for mean, standard deviation and outliers; give restrictions.

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6 markshencesynopticEdexcel

Using SM02-4's earlier result mean = 7, hence solve the linked problem in mean, standard deviation and outliers and state whether the answer is exact or rounded.

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1. Statistical Sampling

3. Measures of Location and Spread

Key learning objectives

Understand the key principles behind Data Presentation and Interpretation.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.