Week 3 Assessment | Python Mastery

1. What is a pandas Series?

1D array with labels
2D table
Database row
List

2. Given df, how do you select column 'age'?

df.age
df['age']
Both work
df.column

3. Group df by 'category' and get mean of 'value'.

4. merge() in pandas performs?

Concatenation
SQL-like join
Append
Replace

5. Drop rows with NaN in column 'x'.

📝 Week 3 Assessment