Given the data you provided, which consists of prices over a series of years, the appropriate method for representation depends on what you're trying to convey. Here’s a breakdown of your options:
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Pie Chart: Pie charts are used to show the proportional parts of a whole at a single point in time. Since your data is time-series (showing changes over years), a pie chart is not suitable.
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Scatterplot: A scatterplot is a good choice for showing relationships between two numerical variables. In this case, it can effectively show how price changes over the years with year on one axis and price on the other. This option is suitable if you want to illustrate the trend over time.
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Frequency Table: A frequency table is used to display how often different values occur in a dataset. Since this data does not represent frequencies of different items or categories, a frequency table is not an appropriate choice.
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Two-Way Frequency Table: This table is used to show the frequency distribution of two categorical variables. Since your data involves years and corresponding prices (numerical), a two-way frequency table isn't suitable here.
Based on the above analysis, the scatterplot is the most appropriate method to represent the data you provided. It allows you to visualize the trend of price changes over the years effectively.