describes “adolescent girls and adult women with anorexia nervosa have low areal bone mineral density compared to normal-weight controls”. This article also “examine whether reductions in areal bone mineral density predict fracture risk in females and anorexia nervosa”. 2. What‚ if any‚ were the hypotheses or research questions? -In the article they “assessed fracture history and areal bone mineral density in a large group of adolescent females with anorexia nervosa and normal weight control”. -They “hypothesized
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techniques can be used to analyze nominal level data to describe variables‚ examine relationships among variables‚ and determine differences between groups in distribution-free or non-normally distributed samples. The assumptions of nonparametric statistics are: (1) values from measurement of study variables need not be normally distributed in the sample‚ and (2) the level of measurement of study variables is usually nominal or ordinal. The mode is the only measure of central tendency that can be calculated
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MBA 501A – [STATISTICS] ASSIGNMENT 4 INSTRUCTIONS: You are to work independently on this assignment. The total number of points possible is 50. Please note that point allocation varies per question. Use the Help feature in MINITAB 16 to read descriptions for the data sets so that you can make meaningful comments. [10 pts] 1. Use the data set OPENHOUSE.MTW in the Student14 folder. Perform the Chi Square test for independence to determine whether style of home and location are are related.
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of Otzi had scientists estimating how old the mummy was and what types of minerals his tools were. One hypothesis was that the ice mummy lived around 2000 BC because his tools‚ especially the ax head‚ which looked to have contain bronze and bronze was mostly used in tools and such in 2000 BC. To find the answer to the questions‚ and to see if their hypothesis were
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Worked example from Tutorial 8 8.3 Three laboratories‚ A‚ B‚ and C‚ are used by food manufacturing companies for making nutrition analyses of their products. The following data are the fat contents (in grams) of the same weight of three similar types of peanut butter. | |Laboratory | |Peanut Butter |A |B |C |D | |Brand 1 |16
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Week 4 15.18 Sixty-four students in an introductory college economics class were asked how many credits they had earned in college‚ and how certain they were about their choice of major. Research question: At α = .01‚ is the degree of certainty independent of credits earned? Certaint Credits Earned | Very Uncertain | Somewhat certain | Very Certain | Row Total | 0–9 | 12 | 8 | 3 | 23 | 10 to 59 | 8 | 4 | 10 | 22 | 60 or more | 1 | 7 | 11 | 19 | Col Total | 21 | 19 | 24 | 64 |
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supplied by them‚ the whole market must be well informed and benefitted. Hence the available information plays an important role in determining the efficiency of the stock market. By focussing on the above idea‚ the concept of Efficient Market Hypothesis has been developed and became one of the most concentrated and debatable topic
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In today’s society many people are affected by eating disorders and their deadly side effects. Two of the most common eating disorders‚ anorexia nervosa and bulimia nervosa‚ are often confused for one another because they each share many of the same qualities; however‚ each disorder has its own distinct behaviors that make it quite different from the other. Because each disorder is serious and can be deadly‚ it is important for people to understand each one individually in order to be able to distinguish
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Psychology presentation PTSD and biological factors The signs and symptoms of PTSD‚ therefore‚ appear to reflect a persistent‚ abnormal adaptation of neurobiological systems to the stress of witnessed trauma. The neurobiological systems that regulate stress responses include certain endocrine and neurotransmitter pathways as well as a network of brain regions known to regulate fear behavior at both conscious and unconscious levels. Not surprisingly‚ much research has consequently focused on exploring
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Effects on Families and Social Life 8 5. Forms of Therapy 9 6. “Pro Ana” and “Thinspiration” 9-12 7. Prevention and Campaigns 12-13 8. Conclusion 13-14 9. Sources 14-16 2 Introduction The eating disorder ‘Anorexia nervosa’ is a disease; people who suffer from it have an extreme fear of gaining weight. The name itself is of Greek origin‚ an- (prefix‚ negation) and orexis (appetite). Although the word literally means “loss of appetite”‚ nevertheless many anorexics
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