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Learn how to calculate frequency density, the frequency per unit for the data in each class, from a grouped frequency table. Find the formula, examples, worksheet and common misconceptions on this topic.
Learn how to use the frequency density formula to plot histograms and find missing values. The formula is \\text {Frequency density }=\\frac {\\text {frequency }} {\\text {class width}}. See examples, a worksheet and related lessons on histograms.
Learn how to calculate and use frequency density and draw histograms with grouped data. See worked examples, exam tips and practice questions on this topic.
Learn what frequency density is and how to calculate it for grouped data. See how to draw histograms with frequency density or relative frequency density axes.
Learn how to draw and interpret histograms that show the frequency density of data instead of the frequency. Find out how to calculate the frequency density, plot the bars, and use histograms to describe different distributions.
Learn how to calculate frequency density and plot histograms from frequency tables. See examples, formulas, and tips for interpreting and drawing histograms.
Learn what histograms and frequency density are and how to use them to calculate probabilities, quartiles, mean, median and mode. Watch free maths videos and solve past exam questions with examples and explanations.
