DA0-001 · Question #339
Which of the following is the best approach to use to gain a general understanding of a data set?
The correct answer is A. Descriptive statistics. Descriptive statistics is the best initial approach to gain a general understanding of a dataset by summarizing its main features through measures like mean, median, mode, and standard deviation. It provides insights into the data's central tendency, variability, and…
Question
Which of the following is the best approach to use to gain a general understanding of a data set?
Options
- ADescriptive statistics
- BBasic projections
- CGap analysis
- DTrend analysis
How the community answered
(56 responses)- A93% (52)
- C2% (1)
- D5% (3)
Why each option
Descriptive statistics is the best initial approach to gain a general understanding of a dataset by summarizing its main features through measures like mean, median, mode, and standard deviation. It provides insights into the data's central tendency, variability, and distribution.
Descriptive statistics involves methods that quantitatively describe or summarize features of a collection of information, providing a general understanding of the data's characteristics such as central tendency, dispersion, and shape. This is the fundamental first step in data analysis.
Basic projections involve forecasting future values, which goes beyond simply understanding the current dataset.
Gap analysis identifies differences between current and desired states, a specific analytical task, not a general understanding of data.
Trend analysis focuses on identifying patterns and changes over time, a more specific analysis than gaining a general overview.
Concept tested: Data analysis fundamentals, descriptive statistics
Source: https://learn.microsoft.com/en-us/azure/architecture/data-guide/big-data/descriptive-analytics
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