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Prob/stat Ch. 2

class quantitative or qualitative category that raw data is placed into
frequency number of data values that are contained in a particular class
frequency distribution organization of raw data in table form, using classes and frequency
class width distance between consecutive lower limits and consecutive upper limits -- found by subtracting the lower or upper limit (boundary) from the one above -- do not subtract the lower limit of one class from the upper limit of the same class
class limits span of values that can be put into specific categories. Nominal or Ordinal
class boundaries boundary of each class limit (Ex. class limit = 100-104, boundary = 99.5-104.5
midpoint formula Xm = (lower limit + upper limit) / 2
Created by: kendragrundy