what is the ordinal measure what do you call an ordinal measurement what is the measurement that's halfway between ordinal and interval what is the measure y_i$ what is the measure of the intervals called what do you call a measurement halfway between ordinal and interval what is the difference between ordinal intervals and intervals is y_i=an ordinal scale what is ordinal measure is $y_i$ ordinal or interval measurement what is the difference between ordinal and interval? what measurement does the interval measure? how to calculate intervals from ordinal measurement what is $y_i$ how do you tell the gap between an ordinal and an interval? what is the interval of a measurement called what is the measure between interval and ordinal what is the difference between an interval and ordinal? what is the measure of the gap between interval and ordinal what measure is halfway between ordinal and interval