As Part of a Large Ongoing Study on the Treatment

Multiple Choice

As part of a large ongoing study on the treatment of women with breast cancer,the treatment time (in months) of eight patients whose lymph nodes were cancer-free is recorded.Treatment time is defined as the time from the moment the cancer treatment starts until the patient is declared cancer-free. What is the mean treatment time for these eight women?

A) 10.5 months
B) 11.67 months
C) 12.325 months
D) 15 months