6.2 Statistical Measures

6.2 Statistical Measures

6.2.1 Understand the concept of average

6.2.2 Calculate the mean, median, mode and range for a discrete data set

6.2.3 Calculate an estimate for the mean for grouped data

6.2.4 Identify the modal class for grouped data

6.2.5 Estimate the median from a cumulative frequency diagram (Higher Tier Only)

6.2.6 Understand the concept of a measure of spread (Higher Tier Only)

6.2.7 Find the interquartile range from a discrete data set (Higher Tier Only)

6.2.8 Estimate the interquartile range from a cumulative frequency diagram (Higher Tier Only)

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