Central Tendency:Mean (Arithmetic Mean) A号w (continued) ●● 012345(789101214 Mean=5 Mean=6 1+3+5+7+925 J 5 1+3+5+7+1430 U =6 5 5 >Because its computation is based on every observation,the arithmetic mean is greatly affected by any extreme value of values.In such instances,the arithmetic mean presents a distorted representation of what the data are conveying;hence, the mean is not the best measure of central tendency to use for describing or summarizing a set of data that has extreme values. Statistics for Managers Using Microsoft Excel Chap 3-7Statistics for Managers Using Microsoft Excel Chap 3-7 Central Tendency: Mean (Arithmetic Mean) (continued) 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 12 14 Mean = 5 Mean = 6 5 5 25 5 1 3 5 7 9       6 5 30 5 1 3 5 7 14        Because its computation is based on every observation, the arithmetic mean is greatly affected by any extreme value of values. In such instances, the arithmetic mean presents a distorted representation of what the data are conveying; hence, the mean is not the best measure of central tendency to use for describing or summarizing a set of data that has extreme values