4.4.4.Graded Quiz: Pandas - sj50179/IBM-Data-Science-Professional-Certificate GitHub Wiki

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Question 1

What is the result of applying the following method df.head(), to the dataframe df ?

• prints the first 100 row of the dataframe
• prints the first column of the dataframe
• prints the first 5 rows of the dataframe

correct

Question 2

Consider the dataframe df. How would you access the element in the 2nd row and 1st column?

• df.iloc[1,0]
• df.iloc[2,1]
• df.iloc[0,1]

Correct

Question 3

In the lab, you learned you can also obtain a series from a dataframe df, select the correct way to assign the column with the header Length to a pandas series to the variable x.

• x=df['Length']
• x=df'Length'
• x=df.'Length'

Correct