When you use groupby with multiple fields, which methods you can use to remove the Hierarchical index?

Group of answer choices

• reset_index()
• index()
• remove_index()
• none

Which method can be used to retrieve unaggregated rows while using groupby?

Group of answer choices

• idmax()
• rename()
• agg()
• apply()

Missing data in pandas is represented by NaN which is equivalent to 0.

Group of answer choices

• True
• False

What is the return type of any() method?

Group of answer choices

• String
• Bool
• Float
• NaN

Dropna can be used to drop values from a:

Group of answer choices

• series
• all
• DataFrame
• No answer text provided.

Merge supports which of the following join operations? (Choose all that apply.)

Group of answer choices

• left
• inner
• outer
• right