Reliability Engineering:

A trial involving n = 21 patients led to the following remission times in weeks:

6,6,6,6⁺,7,9+,10,10⁺, 11⁺, 13, 16, 17⁺, 16, 17⁺, 19⁺, 20, 22, 23, 25⁺, 32⁺, 32⁺, 34⁺, 35⁺

Use the kaplan meier approach to estimate reliability at week 14.