Question 2a

Question 2b

Question 2c

Question 2d

Question 2e

Total of 5 parts to question 2 of a quiz, very simple for an expert to solve. Will upvote if answer provided is correct. Thanks!

Given the following prices dataframe x, what is the index of x ? tzone date All of the listed choices date and tzone How do you retrieve the column labels of a pandas dataframe? index None of the listed choices values columns x.mean().groupby(tzone).max()x.mean(axis=1).groupby(tzone).max()x.max().groupby(tzone).mean()x.max(axis=1).groupby(tzone).mean() Which one of the following Python statements can be used to select all the data in row A in a dataframe x ? x.loc['A'] All of the listed choices x.loc[x.columns.values==A] x[A] Which one of the following Python statements can be used to calculate the mean return of stocks, given the following prices dataframe x ? (x/xshift()1)mean(axis=1)x.mean(axis=1)(x/xshift()1)mean()x.mean()