Life presents us with numerous calculations we need to make but may not know how. In simple language, Darrell Huff explains easy techniques for all kinds of sums from personal finance to DIY. line dra...
Se mere om bogen
Introduces the reader to the niceties of samples (random or stratified random), averages (mean, median or modal), errors (probable, standard or unintentional), graphs, indexes, and other tools of demo...
Se mere om bogen