MATH 2233 Lecture Notes - Lecture 3: Decimal Mark, 1982 Fifa World Cup
16 Nov 2017
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For data which is discrete, individual data values may, in some instances be used as classes. Example: the table below gives the number of children in a random sample of 40 canadian families. number of children number of families. For data which is categorical, the categories themselves may be used as classes. Example: the table below gives the blood types of a sample of 1000 adult canadians. blood type a. A left skewed sample is one whose histogram has a long left tail; the sample values tend to cluster at the upper end of the scale and taper off at the lower end. A right skewed sample is one whose histogram has a long right tail; the sample values tend to cluster at the lower end of the scale and taper off at the higher end. A symmetric sample is one whose histogram is distributed approximately the same on each side of some central value.
