A-Level Maths Edexcel 9MA0

2.2: Data presentation and interpretation

#2.2.1

Diagrams for single-variable data

Use histograms Use box and whisker plots Use cumulative frequency diagrams Use frequency polygons

#2.2.2

Bivariate data and correlation

Use scatter graphs Use regression lines Use correlation

#2.2.3

Measures of central tendency and spread

Calculate mean, mode and median Calculate variance and standard deviation Calculate range and interquartile range Use linear interpolation Calculate mean from grouped frequency table

#2.2.4

Outliers

Identify outliers and clean data

2.1

Statistical sampling

2.3

Probability

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