1. A characteristic of the population, such as the population mean or proportion, is referred to as a: A. parameter E. statistics C. standard error D. universe 2. A random variable is nonnallvr distributed with the mean of 51506.0() and standard deviation of $96. Determine the standard error of the sampling distribution of the mean sampl with n = 25E- A. 15 B. E- C. 25 D. 14 E. none of the above 3. A random variable is nonnallvr distributed with the mean of $1500.00 and standard deviation of $40. Determine the standard error of the sampling distribution of the mean sampla with n = 25 lets 3.1 oz o.a E. none of the above