Question 1

Which function can be used to check for missing values in a DataFrame?

Options :

A : df.find_missing()

B : df.check_null()

C : df.isnull()

D : df.missing_values()

Answer: C

Question 2

Which module within Matplotlib is used for creating two-dimensional plots?

Options :

A : pandas

B : numpy

C : seaborn

D : pyplot

Answer: D

Question 3

Which of the following evaluation metrics can be used for classification problems in SciKit-Learn?

Options :

A : Accuracy

B : F1 Score

C : R2 Score

D : Mean Squared Error (MSE)

Answer: A

Question 4

What is the purpose of the np.random.rand() function in NumPy?

Options :

A : To shuffle the elements of an array randomly.

B : To generate an array of random integers.

C : To generate an array of random floats between 0 and 1.

D : To calculate the standard deviation of an array.

Answer: C

Question 5

Which of the following is NOT a type of plot supported by Matplotlib?

Options :

A : Bar plot

B : Heatmap plot

C : Scatter plot

D : Line plot

Answer: B