Which type of graph is used to show relationships between two variables? Pie chartScatter plotBar graphHistogram
Question
Which type of graph is used to show relationships between two variables?
- Pie chart
- Scatter plot
- Bar graph
- Histogram
Solution
Answer: Scatter Plot
A scatter plot is the appropriate type of graph used to show relationships between two variables. It displays data points on a Cartesian coordinate system, where each axis represents one of the variables. This allows you to observe patterns, trends, or correlations between the two variables, which is particularly useful in statistics and data analysis.
In contrast:
- Pie Chart: Best for showing proportions of a whole.
- Bar Graph: Useful for comparing categorical data.
- Histogram: Represents the distribution of numerical data but focuses on frequency rather than relationships between variables.
In conclusion, when seeking to identify relationships or correlations between two variables, a scatter plot is the most effective tool.
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