Friday, February 14, 2020

Phase 1 - Concepts and terminology of statistics applied to business Essay

Phase 1 - Concepts and terminology of statistics applied to business decision-making 4-13 - Essay Example For this, it is necessary to collect both nominal and ordinal data. â€Å"Nominal data are categorical data where the order of the categories is arbitrary. A good example is race/ethnicity has values 1=White, 2=Hispanic, 3=American Indian, 4=Black, 5=other. Note that the order of the categories is arbitrary.† (Stats Definitions-Nominal data). Certain statistical concepts are meaningless for nominal data. â€Å"The data related to gender, race, religious affiliation, political affiliation etc; are the examples for Nominal data. In a more general form the data assigned with labels or names are considered as the data in Nominal scale.† (Peddinti, Sairam. 2006). In the nominal type of measurement, names are assigned to objects as labels. This assignment is performed by evaluating, by some procedure, the similarity of the labels are to be measured instance to each of a set of named exemplars or category definitions.In ordinal measurement, numbers are assigned to the objects that represents the rank order to measure the entity. These numbers are called ordinals and the variables are called ordinal variables.. Scales and indexes have to be validated. Internal validation checks the relation between the individual measures included in the scale, and the composite scale itself. External validation checks the relation between the composite scale and other indicators of the variable, indicators not included in the scale.Scientists can taken in to consideration the two quantitative attributes in relation to snack food are-to give stress on customers’ desires, taste, needs and wants and by observing and recording the stated goals or objectives of the responsible implementing agency or organisation or its curresponding consumers. Usage of widely different frequencies are most common in this regard. The population is the entire group of individuals that we want information about and the sample is the part of

Saturday, February 1, 2020

Obesity caused by Bulimia Nervosa Research Paper

Obesity caused by Bulimia Nervosa - Research Paper Example Eating disorders take various forms among individuals. One of the rampant instances of eating disorders that translate into obesity is binge eating. Binge eating is a behavior among obese individuals whereby they adopt eating habits that involve eating in the night. Community studies conducted revealed that binge-eating rates are high among obese eating adults as opposed to normal weight adults. There are also other factors influencing binge-eating habits. Psychological factors such as depression and anxiety affect the eating habits among individuals. Psychologically affected individuals result into adopting binge eating habits as a means of overcoming psychological stressors (Barbour 34). Another eating disorder rampant among obese individuals is emotional eating. Over eating comes as a response to the negative emotional states among individuals. Considering the fact that over eating is among the leading factors in the promotion of obesity among individuals; emotional eating constan tly leads to over eating and hence obesity among individuals. Community studies have confirmed that emotional eating is wide spread among obese adult individuals. The emotional distress among the obese individuals comes because of low morale and will power to overcome their current state of obesity. Therefore, obese individuals result into emotional eating and hence increase their levels of obesity (Kelly 78). External eating is another eating habit that promotes the prevalence of obesity within the community.