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Topics
Data
Types of Data
Statistical Questions
Statistical Attributes
Choice of Graph for Data (Investigation)
Create and interpret dot plots
Create and interpret frequency tables
Create and Interpret Bar and Pareto Charts
Create and interpret histograms
Statistical Displays - A review
Create and interpret histograms and polygons
Create and interpret cumulative frequency tables
Create and interpret cumulative frequency polygons
Number of Observations
Recognising the centre of data
Mean
Median
Mode
Range
Mean, median mode and range (calculation from graphs and charts)
Mean, median mode and range (find missing data)
Mean, median mode and range (comparing data sets)
Comparisons and Predictions
Mean, median, mode and range (combined set)
How the shape affects choice of centre and spread
Central Tendency Suitability
Limitations of Measures of Centre and Spread
Lesson
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India
Class IX

Limitations of Measures of Centre and Spread

Lesson
Lesson

Outcomes

9.SP.S.2

Mean, median, mode of ungrouped data.

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