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Home » Quiz » Exploratory Data Analysis Quiz

The square root of the ________ gives the standard deviation of a data set.

Difficulty level
  • Mean
  • Median
  • Range
  • Variance
The "Variance" of a dataset is the average of the squared differences from the mean. The "Standard Deviation" is the square root of the variance. This means it's in the same unit as the data, which helps us understand the dispersion better.
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Exploratory Data Analysis Quiz
Quiz
Your data shows a notable difference between the mean and the median values. Which type of scaling would be least affected by this discrepancy?
While using regression imputation, you encounter a situation where the predicted value for the missing data is outside the expected range. How might you resolve this issue?

Related Quiz

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  • Which of the following graphs can help identify outliers in a univariate dataset?
  • Your data shows a notable difference between the mean and the median values. Which type of scaling would be least affected by this discrepancy?

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