A database contains 100 records on a particular topic. A search was conducted and 80 records were retrieved. Of the 80 records retrieved, 60 were relevant. What is the recall?
A. 60
B. 75
C. 45
D. 80
Answer:A
A database contains 100 records on a particular topic. A search was conducted and 80 records were retrieved. Of the 80 records retrieved, 60 were relevant. What is the recall?
A. 60 B. 75 C. 45 D. 80