GCSE Secondary Maths Age 13-17 - Probability & Statistics: Histogram - Explained

The video tutorial explains histograms, focusing on how the area of bars represents frequency. It covers calculating frequencies from a histogram, determining the proportion of people with salaries over £40,000, and estimating the median salary. Key points include understanding the relationship between bar area and frequency, using graphs and tables for data analysis, and applying these concepts to solve problems related to salary data.

How do you calculate the frequency from the histogram?

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How do you determine the proportion of people earning more than £40,000?

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What is the total number of people surveyed in the histogram?

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Explain how to find the 22nd piece of data in the context of this histogram.

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What is the estimated median salary based on the histogram data?

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What key points should be remembered when working with histograms?

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What is the relationship between the area of a bar in a histogram and frequency?

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