Multi-source reasoning, table analysis, and graphics interpretation question types tested on the GMAT Data Insights section.
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- What are the three question types in the GMAT Data Insights section?
- Multi-Source Reasoning, Table Analysis, and Graphics Interpretation.
- How much time should you allocate per question on the Data Insights section?
- Approximately 2.5 to 3 minutes per question.
- Does GMAT Data Insights primarily test reading comprehension or quantitative analysis?
- Both; it integrates data literacy with quantitative reasoning, not pure reading or pure math.
- In a dataset, what does the median represent?
- The middle value when all data points are arranged in order.
- What is the key difference between mean and median?
- The mean is the average of all values; the median is the middle value. Mean is affected by outliers, median is not.
- What does standard deviation measure?
- How spread out or dispersed the data points are from the mean.
- What is the formula for percentage change?
- ((New Value - Old Value) / Old Value) x 100.
- What does a positive correlation between two variables mean?
- As one variable increases, the other tends to increase as well.
- What is the fundamental difference between correlation and causation?
- Correlation describes a relationship between variables; causation means one variable directly causes changes in another. Correlation does not imply causation.
- What is compound annual growth rate (CAGR)?
- The average annual growth rate of an investment or metric over multiple years, accounting for compounding.
- How do you simplify a ratio?
- Divide both sides by their greatest common divisor (GCD).
- What does a weighted average account for?
- The relative importance or frequency of each value by assigning different weights to different data points.
- What is the difference between absolute change and percent change?
- Absolute change is the raw difference in units. Percent change expresses that difference relative to the original value as a percentage.
- What does a bar chart primarily display?
- Comparisons of values across different categories, typically using the height or length of bars.
- When is a line graph most appropriate to use?
- When displaying how a value changes over time or along a continuous range.