Which of the following statements regarding the lognormal distribution is/are TRUE? a. Products of independent lognormal random variables are lognormally distributed. b. Any number could occur when you draw from the distribution. Its median is always less than or equal to its mean. c. In the binomial model, the continuously compounded stock return approaches normality as the number of steps increases.

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?