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Title: This book is a disaster
Review: This text is in its sixth edition and contains all types of errors. The text doesn't bother to even give the slightest idea of how expressions are derived. Many of the formulas are incorrect. Some of the exercises are absurd. The solutions manual is no better. My recommendation is that you buy either Cochran text if you're mathematically inclined or Yamane's Elementary Sampling Theory for a more hands-on text. Don't waste your time or money on this text.
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