DA0-001 · Question #56
Given the following data: Which of the following BEST describes the data set?
The correct answer is D. The data is outliers. Outliers are data points that significantly deviate from the majority of the data, potentially indicating errors or unusual events within the dataset.
Question
Given the following data:
Which of the following BEST describes the data set?
Exhibit
Options
- AThere is data bias.
- BThe data is incomplete.
- CThe data is inconsistent.
- DThe data is outliers.
How the community answered
(56 responses)- A2% (1)
- B4% (2)
- D95% (53)
Why each option
Outliers are data points that significantly deviate from the majority of the data, potentially indicating errors or unusual events within the dataset.
Data bias refers to systemic errors that favor certain outcomes or observations over others, which is a different concept from individual data points being extreme.
Incomplete data means there are missing values, which is distinct from values being present but unusually high or low.
Inconsistent data refers to contradictions within the dataset or lack of uniformity, which is different from individual points being far from the central tendency.
Outliers are data points that significantly deviate from other observations in a dataset, potentially indicating variability in measurement, experimental error, or a novelty that should be investigated.
Concept tested: Data quality - outliers
Source: https://learn.microsoft.com/en-us/azure/machine-learning/algorithm-module-reference/detect-outliers?view=azureml-mlops
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