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Line Graph - Data Interpretation Video Lecture | Crash Course for CAT

790 videos|33 tests

FAQs on Line Graph - Data Interpretation Video Lecture - Crash Course for CAT

1. What is the purpose of a line graph?
Ans. A line graph is used to represent the relationship between two variables over a continuous period of time. It helps in visualizing trends, patterns, and changes in data over time.
2. How to interpret a line graph?
Ans. To interpret a line graph, look at the slope, direction, and shape of the lines. A positive slope indicates an increase, while a negative slope indicates a decrease. The steepness of the line represents the rate of change. Additionally, compare the lines to identify any relationships or patterns between the variables.
3. What does the x-axis and y-axis represent in a line graph?
Ans. The x-axis represents the independent variable, usually representing time or another continuous variable. The y-axis represents the dependent variable, which is the variable being measured or observed in response to changes in the independent variable.
4. How can outliers affect the interpretation of a line graph?
Ans. Outliers are data points that significantly deviate from the general trend observed in the line graph. They can skew the overall pattern or trend, making it difficult to accurately interpret the data. It is important to consider outliers and assess their impact on the overall analysis.
5. What are the advantages of using a line graph to display data?
Ans. Line graphs provide a clear visual representation of data patterns and trends over time. They make it easier to identify relationships and changes between variables. Line graphs also allow for easy comparison of multiple data sets and can effectively communicate complex information in a simple and concise manner.
790 videos|33 tests
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