Is a measure of 30 inches "far away" from a mean of 20 inches? As someone with knowledge of statistics, you answer "it depends" and request the standard deviation of the underlying data. (a) Suppose the data come from a sample whose standard deviation is 2 inches. How many standard deviations is 30 inches from 20 inches? (b) Is 30 inches far away from a mean of 20 inches? (c) Suppose the standard deviation of the underlying data is 8 inches. Is 30 inches far away from a mean of 20 inches? previous page (a) 30 inches is standard deviation(s) away from 20 inches. (Type an integer or decimal rounded to one decimal place as needed.)