Consider the following data set: 250, 300, 200, 150, 100 Using the formulas below, what is the standard deviation for this data set? Answer choices are rounded to the nearest whole number. sample space standard space deviation equals square root of fraction numerator begin display style sum from i equals 1 to n of end style left parenthesis x subscript i minus x with bar on top right parenthesis squared over denominator n minus 1 end fraction end root a.) 50 b.) 79 c.) 93 d.) 100