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Home » Quiz » Exploratory Data Analysis Quiz

You have a dataset where the variable 'age' has a few instances of '150', which is an obvious data entry error. What would be the most suitable method to handle these outliers?

Difficulty level
  • Removal
  • Binning
  • Transformation
  • nan
In this case, removal is the best option as these data points clearly result from data entry errors and don't represent real ages.
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Exploratory Data Analysis Quiz
Quiz
To get the list of all supported filters in PHP, you can use the filter_list() ______.
Imagine you're analyzing a dataset for a real estate company. You observe that a few houses have an extraordinarily high price compared to the rest. What would these represent in your analysis?

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