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Exercises on interpreting histograms, focusing on calculating frequency density and estimating the mean from grouped data. It includes tasks such as completing tables with missing values, working out the area of bars on a graph, and estimating the median time taken to complete a puzzle. The exercises are designed to enhance understanding of statistical data representation and analysis, suitable for high school students learning about data interpretation and statistical measures. The document also includes questions about the ages of people in a running club.
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Interpret histograms 3 June 2025 6 min
Frequency density Weight (kg)
Weight (kg) Frequency
(^010 20 30 40 ) Frequency Density
(^010 20 30 40 )
Frequency Density
Frequency density 0 10
The histogram shows the time taken for a group of people to complete a puzzle in a competition.
Frequency density 0 10 Estimate the number of people who are entered into the second round of the competition. The histogram shows the time taken for a group of people to complete a puzzle in a competition.
