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Scaling data - investigating columns

You want to use the Ash, Alcalinity of ash, and Magnesium columns in the wine dataset to train a linear model, but it's possible that these columns are all measured in different ways, which would bias a linear model.

Which of the following statements about these columns is true?

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The standard deviation of Alcohol is greater than the standard deviation of Malic acid.

The standard deviations of Ash and Alcalinity of ash are equal.

The max of Ash is 3.23, the max of Alcalinity of ash is 30, and the max of Magnesium is 162.

The mean Malic acid is greater than the mean Ash.

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