IIT Mandi Quiz Day 2

Which of the following methods can be used to convert a tuple `(1, 2, 3)` into a list? 

• tuple.to_list()

• list((1, 2, 3))

• convert((1, 2, 3), list)

• tuple_to_list((1, 2, 3))

What is the output of the following Python expression?  

```python

[1, 2, 3] == (1, 2, 3)

• True

• False

• None

• TypeError

Which function in NumPy creates an array with values from 1 to 10, excluding 10?

• numpy.linspace(1, 10, 10)

• numpy.arange(1, 10)

• numpy.array([1, 10])

• numpy.range(1, 10)

If `x = numpy.array([[1, 2], [3, 4]])`, what is the output of `x[1, :]`? 

• [1,2]

• [3,4]

• [[1, 2], [3, 4]]

• Error

 Which parameter in   plt.scatter()   allows you to change the size of the markers?  

• marker_size

• s

• size

• scatter_size

Which plot type in Matplotlib is most suitable for visualizing the distribution of a single variable? 

• plt.boxplot()
• plt.line()
• plt.hist()
• plt.errorbar()

How can you access the third element of a Pandas Series   s   by position? 

• s.iloc[2]
• s.loc[2]
• s.iloc[3]
• s[2]

Which Pandas function would you use to merge two DataFrames based on a common column? 

• pd.stack()
• pd.append()
• pd.merge()
• pd.split()

 If you want to calculate the mean of all numeric columns in a DataFrame   df  , which method would you use? 

• df.sum()
• df.total()
• df.mean()
• df.mean_values()

Which of the following options will group data in a DataFrame   df   by column   A   and calculate the sum for each group?   

• df.sum('A', axis=1)
• df.aggregate('sum', 'A')
• df.total('A')
• df.groupby('A').sum()