The drop in testosterone levels of older men that results in reduced sexual desire is known as ______

________ occurs when variations in growth of the eye cause the lens to focus images in front of the retina instead of exactly on the retina

a. Farsightedness b. Myopia c. A rare visual problem for children d. Color blindness

What is the expected value of M?

a. The sample mean b. The sample standard deviation c. The mean of the distribution of sample means d. The standard deviation of the distribution of sample means