ML Training - Pretest Quiz

Numpy arrays can only contain elements of the same data type. (True/False)

• True

• Partially true

• Depends on the version of Numpy

• False

Numpy arrays can be reshaped using the reshape() function. (True/False)

• False

• True

• Maybe

• Not sure

Numpy arrays support element-wise operations. (True/False)

• Maybe

• True

• False

• Not sure

Numpy arrays can be sliced using the slice notation. (True/False)

• Not sure

• False

• True

• Maybe

Pandas DataFrame is a 2-dimensional labeled data structure with columns of potentially different types. (True/False)

• False

• Maybe

• Not sure

• True

Pandas Series is a one-dimensional labeled array capable of holding data of any type. (True/False)

• Maybe

• False

• Not sure

• True

Pandas allows merging and joining of datasets. (True/False)

• Not sure

• Maybe

• False

• True

Pandas provides the groupby function for grouping data. (True/False)

• True

• Not sure

• False

• Maybe

Matplotlib is a Python 2D plotting library which produces publication quality figures. (True/False)

• Not sure

• True

• Partially true

• False

Matplotlib can create scatter plots for visualizing the relationship between two variables. (True/False)

• True

• False

• Maybe

• Not sure