What is outlier detection in the context of data cleaning?

Which Python library is specifically designed for machine learning tasks and model development?

Which of the following is NOT a common data cleaning task?

In Python, which library is used to implement the z-scores for outlier detection?

Given a Pandas DataFrame df with columns "product", "count", and "status", which of the following statements will select the rows where the "status" column is equal to "no" and the "count" column is equal to 0? 

What does the ffill parameter in the fillna() method stand for?

Which of the following libraries is commonly used for numerical and mathematical operations in Python Data Science?

 Which Pandas method is used for converting a column to datetime format?

In Pandas, which method is used to fill missing values with a constant?

1. Which of the following statements about data science are true? (Select all that apply)

a) Data science is a process for extracting insights from data

b) Data science involves the use of statistical and computational methods

c) Data science is used exclusively in the field of computer science

d) Data science can be used in a variety of industries and domains

e) Data science does not involve the use of visualization tools