Assignment Math Problem Example | Topics and Well Written Essays - 1000 words

Assignment - Math Problem Example The multiple regression analysis helps in examining relationship between one continuous dependent variable with one or more continuous independent variables. The regression analysis uses numeric data for analysis. In the field of public affairs, a researcher usually has to study various variables to quantify effect of one variable to other. In the case researcher does not include other factors affecting a particular variable it would lead to a particular bias known as ‘omitted variable biases. Multiple regression analysis helps in removing this bias by dealing with large number of explanatory variables. The study of these variables helps in asserting hypothesis wrong or vice-versa. This helps in identifying and generalizing the research findings for a larger population. The sample size needs to be sufficient for the analysis. The t-test or ANOVA is used with the data where variables are categorical and continuous. The mean scores of the groups are compared in order to understan d the difference between the groups. In the case of public affair, this analysis helps to test the probability differing two means. The correlation studies help in conducting rigorous research that can be done in order to understanding the nature of relationship between the variables. The correlation study helps in testing the validity of the research. The paired variables are linked with each other. The scatter plot produced to graphically present the correlation of a variable with the help of a linear line. The more is the gap between points from the straight line, the higher will be the weakness of relationship between those two variables. The direction refers to the slope of the scatter point. The variables can be in positive or negative relationship. The difference in one variable will have corresponding changes in the other variable. The positive correlation provides us information about the nature of change towards one another. The negative correlation shows that the change i s opposite direction. The correlation method is an appropriate method to examine the relationship of meaningful data. The data should be quantifiable. The correlation cannot be examined using categorical data. The correlation and regression studies are used for testing hypothesis and determining cause-and-effect relationships. The associated variables are studied for the association and the nature of association. There are various benefits of correlation test. This can help in predicting and helps in validating. This is a reliable method and helps in verifying theory. The Pearson coefficient is used when the variables are continuous. This requires one independent and one dependent variable. For example if there is a need to study the level of awareness of a social-environmental sustainability programs among different genders and its relation with success of program in particular geographic region. The level of awareness and the difference of awareness among the population can be und erstood by the correlation study. The regression analysis will help in identifying if the level of awareness was linked to the level of success of program. The t-test can help in accepting or rejecting the hypothesis that success of progra

Evaluate the book Fast Food Nation, arguing its value (or lack of Essay

Evaluate the book Fast Food Nation, arguing its value (or lack of value) for a specific group of citizens of the United States - Essay Example This paper aims to evaluate this book and determine whether it contains or lacks value to a specific group of citizens in the US. The US fast food industry started after the Second World War when the country came out of the Great Economic Depression. These times saw the country experience an economic boom that led to massive gains on all fronts of the economy. More jobs were created by the many industries, factories and corporations that were founded on the basis of this economic boom. This led to urbanization, which was characterized by people moving from rural areas to urban centers where there were job opportunities. The lifestyle in the city necessitated for there to be a system that could offer fast food services to the busy metropolitan population. This was because lifestyle, in cities, did not allow a lot of time to be spent on meals at the expense of working hours. Thus, the fast food industry was borne, out of this necessity, to offer fast and convenient food services and de livery to consumers on the go due to time constraints (Talwar 58). The book offers valuable lessons, insights and information, to parents, which enable them to make informed choices about the source of food they allow their children to consume. The information contained in the book can help parents realize the detriments of fast food in the diet of their children. U.S. parents are given insights on how to recognize marketing gimmicks and ploys that are aimed at ensnaring their children onto fast foods. They can use this newly gained information to protect their children form advertising campaigns directed at their children. Apart from the negative impact that fast foods have on health, which the book does not keenly elaborate on, there other crucial features in the book that are important. The use of marketing campaigns directed at children poses a significant risk to children. According to Schlosser, this is in the sense that it serves as a form of indoctrination because it leads t hese children to becoming lifetime loyal customers. This is despite the fact that habitual consumption of fast food meals is a key causative agent for a myriad of health problems. This advertising predisposes children to becoming loyal customers who are blind to the detrimental benefits of fast food meals (Nestle 208). Fast Food Nation provides vital information, to parents, which is utilized to shield the innocent minds, of children, from advertising that might have an impact on the rest of their lives. The chapter about the chemical compounds used, by fast food companies, to flavor their food stuffs offers crucial information that can be used by health professionals. The book gives an account of some chemical food additives with known harmful implications that are used to give these food stuffs that unique taste. These substances are used to give fast foods their unique aroma, taste and appearance so that they are appealing and attractive to their customers. Some of these chemical substances have recognized abilities to promote the development of diseases and conditions like diabetes and cancer. The impact of these chemical substances is especially magnified if consumed for a long time from a tender age. This is because these chemicals build up in the body, raising their concentrations to levels that can cause toxicity. The effects of these chemicals can have far-reaching effects that can last through generations where damage