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Step Three: Determine the Class Limits Let's start with the lower class limits. Lower Class Limit Upper Class Limit Smallest data value - Previous class limit + class width = 1.1 + 1.7 = 2.8 Previous class limit + class width = Previous class limit + class width = 6.2 Previous class limit + class width = Now let's find the upper class limits Lower Class Limit Upper Class Limit Class 2 upper limit - 0.1 = Previous upper limit + class width = 4.4 Previous upper limit + class width = 5.2 Previous upper limit + class limit = Previous upper limit + class limit = 9.5 Check