Explore topic-wise MCQs in Data Science.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Data Science knowledge and support exam preparation. Choose a topic below to get started.

1.

If data is an ndarray, index must be the same length as data.

A. True
B. False
Answer» B. False
2.

Which of the following operation works with the same syntax as the analogous dict operations?

A. Getting columns
B. Setting columns
C. Deleting columns
D. All of the mentioned
Answer» E.
3.

Which of the following works analogously to the form of the dict constructor?

A. DataFrame.from_items
B. DataFrame.from_records
C. DataFrame.from_dict
D. All of the mentioned
Answer» B. DataFrame.from_records
4.

Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?

A. DataFrame.from_items
B. DataFrame.from_records
C. DataFrame.from_dict
D. All of the mentioned
Answer» B. DataFrame.from_records
5.

Which of the following input can be accepted by DataFrame?

A. Structured ndarray
B. Series
C. DataFrame
D. All of the mentioned
Answer» E.
6.

Which of the following thing can be data in Pandas?

A. a python dict
B. an ndarray
C. a scalar value
D. all of the mentioned
Answer» E.