StandardScaler() and Its Significance in Machine Learning

It is used to perform dimensionality reduction on a dataset

It is used to scale the features of a dataset to a standard range (correct)

It is used to split a dataset into training and testing sets

It is used to encode categorical variables into numerical values

It is a library used for data visualization

It is a class that represents a dataset

It is a function that performs feature scaling

It is a variable used to store the StandardScaler object (correct)

To make the dataset easier to interpret

To ensure all features have the same scale (correct)

To reduce the impact of outliers

To improve the performance of machine learning algorithms