14. In a completed study, there is a known population with a normal distribution,

 = 122, and  = 8. What is the estimated effect size if a sample given an experimental procedure has a mean of

(a) 100,

(b) 110,

(c) 120,

(d) 130, and

(e) 140? For each part, also indicate whether the effect is approximately small, medium, or large.