Data Science Practice Test 3

1. Point out the correct statement.

2. Panel is a container for Series, and DataFrame is a container for dataFrame objects.

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

4. Which of the following thing can be data in Pandas?

5. Which of the following object has a method cov to compute covariance between series?

6. Which of the following provides a standard API for doing computations with MongoDB?

7. Point out the wrong statement.

8. Which of the following library is used to retrieve and acquire statistical data and metadata disseminated in SDMX 2.1?

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

10. rolling_count function gives the number of non-null observations.