New PDF release: Statistics Done Wrong: The Woefully Complete Guide

By Alex Reinhart

ISBN-10: 1593276206

ISBN-13: 9781593276201

Medical development depends upon reliable study, and reliable study wishes sturdy information. yet statistical research is difficult to get correct, even for the easiest and brightest folks. You'd be shocked what number scientists are doing it wrong.

Statistics performed flawed is a pithy, crucial advisor to statistical error in sleek technological know-how that may help you continue your examine blunder-free. You'll research embarrassing blunders and omissions in fresh examine, know about the misconceptions and medical politics that permit those blunders to take place, and start your quest to reform how you and your friends do statistics.

You'll locate suggestion on:

Asking the precise query, designing the ideal scan, selecting the best statistical research, and sticking to the plan
easy methods to take into consideration p values, value, insignificance, self belief periods, and regression
selecting the right pattern measurement and fending off fake positives
Reporting your research and publishing your information and resource code
techniques to keep on with, precautions to take, and analytical software program that could help

Scientists: learn this concise, strong advisor that will help you produce statistically sound research.
Statisticians: provide this ebook to everybody you know.

The first step towards records performed correct is records performed Wrong.
About the Author

Alex Reinhart is a statistics teacher and PhD pupil at Carnegie Mellon collage. He obtained his BS in physics on the collage of Texas at Austin and does examine on finding radioactive units utilizing statistics and physics.
Table of Contents

Introduction

Chapter 1: An advent to Statistical Significance
Chapter 2: Statistical energy and Underpowered Statistics
Chapter three: Pseudoreplication: pick out Your information Wisely
Chapter four: The p price and the bottom cost Fallacy
Chapter five: undesirable Judges of Significance
Chapter 6: Double-Dipping within the Data
Chapter 7: Continuity Errors
Chapter eight: version Abuse
Chapter nine: Researcher Freedom:Good Vibrations?
Chapter 10: each person Makes Mistakes
Chapter eleven: Hiding the Data
Chapter 12: What will be Done?

Notes
Index

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Additional resources for Statistics Done Wrong: The Woefully Complete Guide

Example text

Less than at 5. Part of a demand schedule for peaches is shown below: Price (pence) Quantities demanded 100 60 35 5 6 7 Which of the following statements about the elasticity of demand is correct? (Note: For this question assume that percentage changes in price and quantity are calculated as percentages of the original price or quantity). (a) (b) (c) (d) (e) 27 Price Price Price Price Price rises rises falls falls rises from from from from from 5p 5p 6p 7p 6p to to to to to 6p, elasticity 6p, elasticity 5p, elasticity 6p, elasticity 7p, elasticity of of of of of demand demand demand demand demand = = = = = (-)4"· (-)4 · (-)2 · (-)-$-.

E) any straight line. 32 If the total expenditure (or outlay) by consumers on a particular product is always the same whatever price is charged for it, then (a) (b) (c) demand must have an elasticity of unity. supply must have an elasticity of unity. increases or decreases in demand must always be exactly counterbalanced by increases or decreases in supply. (d) the government must be imposing an equalizing tax. (e) either the demand or the supply must have an elasticity equal to zero. 33 In a market where the product is in perfectly inelastic supply, the functions of prices are 1.

I1 F a r e s on t h e London Tube v a r y w i t h d i s t a n c e ; t h o s e on t h e P a r i s Metro a r e s t a n d a r d i z e d p e r j o u r n e y r e g a r d l e s s d i s t a n c e . Compare t h e economic e f f e c t s of t h e two s y s t e m s . 9 12. How f a r can i t b e s a i d t h a t demand c u r v e s s l o p e downwards f o r t h e o p p o s i t e r e a s o n t h a t s u p p l y c u r v e s s l o p e upwards? 13. ' Discuss. 14. E x p l a i n , w i t h p a r t i c u l a r r e f e r e n c e t o t h e e l a s t i c i t y of demand and s u p p l y , what t y p e of goods would b e chosen f o r t a x a t i o n by a government which wished t o r a i s e t h e most revenue f o r i t s e l f c o n s i s t e n t w i t h t h e minimum p r i c e r i s e t o consumers.

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Statistics Done Wrong: The Woefully Complete Guide by Alex Reinhart


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