Data Visualization and Exploration Quiz

What is the main reason NumPy is faster than traditional Python lists?

• NumPy arrays are more complex

• NumPy arrays are stored in a continuous block of memory

• NumPy arrays are larger in size

• NumPy arrays require more processing power

What is the function used to sort a specified array in NumPy?

• arrange()

• order()

• sort()

• sequence()

Which of the following is NOT a type of splitting in NumPy?

• Vertical splitting

• Horizontal splitting

• Both horizontal and vertical splitting

• Diagonal splitting

What is the primary data structure used in Pandas?

• Array

• DataFrame

• List

• Matrix

Which method is used to access the last row of a DataFrame in Pandas?

• dataset.last()

• dataset.iloc[-1]

• dataset.loc.last()

• dataset.get_last()

What is the purpose of filtering in NumPy?

• To sort elements

• To combine arrays

• To reshape an array

• To create a new array from existing elements

Which of the following is an advantage of using Pandas over NumPy?

• Higher level of abstraction

• More applicable

• Faster processing

• Less disk space

What does the term 'slicing' refer to in NumPy?

• Combining multiple arrays

• Filtering elements based on conditions

• Taking elements from one index to another

• Accessing a single element

Which function is used to iterate over rows in a Pandas DataFrame?

• iteritems()

• iterrows()

• itertools()

• itercolumns()

What is the purpose of reshaping an array in NumPy?

• To change the data type

• To filter the elements

• To sort the elements

• To change the shape or dimensions of the array