5.Consider a document containing one thousand words wherein the word imputation appears 50 times. Now, assume we have one million documents and the word imputation appears in one hundred of these. What is the TF-IDF weight of "imputation"?

A.0.1

B.0.2

C.0.5

D.0.3

6.Consider a document containing one thousand words wherein the word imputation appears 50 times. Now, assume we have one million documents and the word imputation appears in one hundred of these. What is the term frequency (i.e., tf) score of "imputation"?

A.0.01

B.0.04

C.0.05

D.0.02