This is called the mean deviation, i.e. mean deviation = , where n is the number of students in the class. For class 1 this is 64/5 = 12.8. Another way to deal with the negative differences is to square each difference before adding.
n. 1. Two individuals or units regarded as a pair: the mother-daughter dyad.2. Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.yad. n. 1. (Mathematics) maths an operator that is the unspecified product of two vectors. It can operate on a vector to produce either a scalar or vector product. 2. (Chemistry) an atom or group that has a valency of two.
terminal. adj. 1. of, being, or situated at an end, terminus, or boundary: a terminal station; terminal buds. 2. of, relating to, or occurring after or in a term: terminal leave.3. (Pathology) (of a disease) terminating in death: terminal cancer.erâ¢miâ¢nal. 1. situated at or forming the end or extremity of something: a terminal bud. 2. occurring at or forming the end of a series, succession, or the like; closing; concluding. 3. pertaining to or lasting for a term or definite period; occurring at fixed terms or in every term: terminal payments.