GCSE Maths (Edexcel)

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Time Series

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Statistics Statistics

Time Series

4:06 More Statistical Charts
Spec S2 S4
Previous Bar & Vertical Line Charts Next Grouped Data
  • A time series is a set of numerical data based on measurements taken over a period of time
  • Numerical data can be used to calculate averages and perform other calculations
  • Time series data can be represented in a table, with the top row showing the different times the data were collected
  • The data can be continuous or discrete, depending on the type of measurement
  • A time series line graph is a graph that shows the data points for each time value and connects them with straight lines
  • The vertical axis represents the type of data, while the horizontal axis represents the time
  • Line graphs can help identify trends in the data
  • To plot a time series line graph, a suitable scale for each axis should be chosen
  • Each data point should be plotted on the graph by finding the corresponding time value and drawing a vertical line to the data point
  • The points should then be connected with straight lines to complete the graph
  • It is important to be able to both draw and analyze time series line graphs.

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