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Measuring bone density Individuals with low bone density

Statistics Through Applications | 2nd Edition | ISBN: 9781429219747 | Authors: Daren S. Starnes ISBN: 9781429219747 133

Solution for problem 3.3 Chapter 3

Statistics Through Applications | 2nd Edition

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Statistics Through Applications | 2nd Edition | ISBN: 9781429219747 | Authors: Daren S. Starnes

Statistics Through Applications | 2nd Edition

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Problem 3.3

Measuring bone density Individuals with low bone density have a high risk of broken bones (fractures). Physicians who are concerned about low bone density (osteoporosis) in patients can refer them for specialized testing. Currently, the most common method for testing bone density is dual-energy X-ray absorptiometry (DEXA). A patient who undergoes a DEXA test usually gets bone density results in grams per square centimeter (g/cm2 ) and also in standardized units. Francine, who is 25 years old, has her bone density measured using DEXA. Her results indicate a bone density in the hip of 948 g/cm2 , which converts to a standardized score of z 5 21.45. In the reference population of 25-year-old women like Francine,2 the mean bone density in the hip is 956 g/cm2 . (a) Francine has not taken a statistics class in a few years. Explain to her in simple language what the standardized score tells her about her bone density. (b) Use the information provided to calculate the standard deviation of bone density in the reference population.

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2/23/16 – 2/25/16 Week 7 Psychology Notes 2/23/2016 ­ Short Day of Class, no professor Operate conditioning ­ Chosen behaviors Classical conditioning ­ Automatic, reflexive behaviors Adjust behaviors though positive and negative reinforcement ­ Reinforcers strengthen a behavior ­ Punishments weaken a behavior Positive Reinforcement ­ Add a positive stimulus ­ Treats ­ Strengthen a behavior Negative Reinforcement ­ Take away a negative stimulus ­ Stop annoying beeping by putting on seatbelt ­ Strengthen a behavior Positive Punishment ­ Adding a negative stimulus ­ Spanking

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Chapter 3, Problem 3.3 is Solved
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Textbook: Statistics Through Applications
Edition: 2
Author: Daren S. Starnes
ISBN: 9781429219747

Since the solution to 3.3 from 3 chapter was answered, more than 369 students have viewed the full step-by-step answer. This full solution covers the following key subjects: bone, Density, dexa, standardized, francine. This expansive textbook survival guide covers 10 chapters, and 710 solutions. Statistics Through Applications was written by and is associated to the ISBN: 9781429219747. The full step-by-step solution to problem: 3.3 from chapter: 3 was answered by , our top Statistics solution expert on 11/10/17, 06:04PM. The answer to “Measuring bone density Individuals with low bone density have a high risk of broken bones (fractures). Physicians who are concerned about low bone density (osteoporosis) in patients can refer them for specialized testing. Currently, the most common method for testing bone density is dual-energy X-ray absorptiometry (DEXA). A patient who undergoes a DEXA test usually gets bone density results in grams per square centimeter (g/cm2 ) and also in standardized units. Francine, who is 25 years old, has her bone density measured using DEXA. Her results indicate a bone density in the hip of 948 g/cm2 , which converts to a standardized score of z 5 21.45. In the reference population of 25-year-old women like Francine,2 the mean bone density in the hip is 956 g/cm2 . (a) Francine has not taken a statistics class in a few years. Explain to her in simple language what the standardized score tells her about her bone density. (b) Use the information provided to calculate the standard deviation of bone density in the reference population.” is broken down into a number of easy to follow steps, and 172 words. This textbook survival guide was created for the textbook: Statistics Through Applications, edition: 2.

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Measuring bone density Individuals with low bone density