This book was written for those who need to know how to collect analyze & present data It is meant to be a first course for practitioners a book for private study or brush-up on statistics & supplementary reading for general statistics classes The book is untraditional both with respect to the choice of topics & the presentation Topics were determined by what is most useful for practical statistical work & the presentation is as non-mathematical as possible The book contains many examples using statistical functions in spreadsheets In this second edition new topics have been included eg within the area of statistical quality control in order to make the book even more useful for practitioners working in industry