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NZ Maths and Stats

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NZ Maths and Stats

Measures of Spread

Standard Deviation

Standard deviation
Exam Questions - Discrete data / standard deviation
Exam Questions - Continuous data / standard deviation

Mean

Mean for discrete data
Calculating the mean from a frequency table
Exam Questions - Discrete data / mean

Median and Quartiles

Median, lower, upper quartiles and interquartile range for discrete data
Exam Questions - Median, lower, upper quartiles and interquartile range for discrete data
Cumulative frequency curves
How to interpret class intervals
Estimating the median, quartiles, percentiles from a grouped frequency table
Exam Questions - Estimating the median from a grouped frequency table
Exam Questions - Estimating the median from a histogram

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