Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. years in which a war was started years in which a war was started choose the correct answer below. a. the ratio ratio level of measurement is most appropriate because the data can be ordered comma can be ordered, differences left parenthesis obtained by subtraction right parenthesis can be found and are meaningful comma and there is a differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point. natural starting point. b. the interval interval level of measurement is most appropriate because the data can be can be ordered comma ordered, differences differences can be can be found found and are and are meaningful comma meaningful, and there and there is no is no natural natural starting starting zero zero point. point. c. the ordinal ordinal level of measurement is most appropriate because the data can be can be ordered comma but differences left parenthesis obtained by subtraction right parenthesis cannot be found or are ordered, but differences (obtained by subtraction) cannot be found or are meaningless. meaningless. d. the nominal nominal level of measurement is most appropriate because the data cannot be cannot be ordered. ordered.