Investigate Distributions with Graphs
Part 1
1. Explain the difference between a categorical variable and a quantitative variable
The difference between a categorical variable and a quantitative variable is that the latter is one that fluctuates and changes in amount whereas a categorical variable is one that changes in kind. Basically, variables that are categorical have dissimilar values or categories and there is no distinctive ordering to these categories along a primary measurement. The inference of this is that the categories are simply labels that distinguish one group from another. In contrast, variables that are quantitative are those in which individuals are apportioned numerical values to position them into dissimilar categories. Moreover, these numerical values are meaningful in the sense that they imply more or less of a fundamental measurement that is theoretical interest (Jaccard and Jacoby, 2010). For instance, categorical variables would consist of gender and college major. On the other hand, quantitative variables consist of speed of response as well as loudness (White and McBurney, 2012).
2. Explain what is meant by the term distribution of a variable
The distribution of a variable is a delineation of the relative numbers of times every possible outcome will take place in a number of trials.
3. Determine the difference between a pie chart, a bar chart, and a histogram
A bar chart consists of columns that are plotted on a graph. The columns within the chart are placed over a label that signifies a categorical variable. The height of the column is indicative of the size of the group that is being defined by the column label. Notably, bar charts should be utilized when displaying quantities that are either not necessarily associated or show change in the course of time. For instance, a bar chart is used to show the revenues generated by a firm over the past umber of years. Secondly, similar to a bra graph, a histogram consists of columns that are plotted on a graph. However, with respect to its display, a histogram is different from a bar graph in the sense that it does not have any space in between the columns. Moreover, another difference is that the columns are placed over a label that signifies a continuous numerical variable. the height of the column is indicative of the size of the group that is being defined by the column label. Lastly, pie charts can be delineated as circles that are fragmented into different portions on the basis of the percentage of every category. Pie charts signify percentages of a whole and ought to be used when the data displays how dissimilar categories relate to the whole at a certain point in time. For instance, a pie chart can be used to demonstrate expense categories in relation to the total expenses incurred by a company (Hair, 2015).
4. List different properties one can use when describing the shape of distribution
There are different properties that can be used when delineating the shape of distribution. To begin...
ii. Describe how the data is presented. Explain the type of graph that is used and the specific information that is illustrated by the graph
The data is well presented and illustrated within the article. The data is presented by showing the change in public views of economic issues as a key matter over the years. In addition, the data has been presented in terms of the different social, political and financial issues being faced by the American society and the percentage of the significance for the prevailing government administration. The data is further categorized into the perspectives of the democrats and also the perspectives of the republicans. The article makes use of different graphs to present and illustrate the data. To begin with, there is a time series plot that is used to show the change over the years between 2010 and 2018 with regard to the declining trend in public views of economic issues that are deemed as top priority. Secondly, a bar chart is used to illustrate the publics policy priorities for the 2018 financial year with regard to the implementation by President Trump and Congress. A time series chart is also used to illustrate the changing partisan views of economic issues amongst the democratic and republican people. In addition, it considers the trend of the different political administrations including the Bush, Obama and Trump regimes (Pew Research Centre, 2018).
References
Australian Bureau…
References
Australian Bureau of Statistics. (2013). Statistical Language - Measures of Shape. Retrieved from: http://www.abs.gov.au/websitedbs/a3121120.nsf/home/statistical+language+-+measures+of+shape
Jaccard, J., & Jacoby, J. (2010). Theory construction and model-building skills: A practical guide for social scientists. New York: Guilford Press.
Pew Research Centre. (2018). Economic Issues Decline Among Public’s Policy Priorities. Retrieved from: http://www.people-press.org/2018/01/25/economic-issues-decline-among-publics-policy-priorities/#
Van der Merwe, L. (1999). Elementary Statistics: Calculus. Pearson South Africa.
White, T. L., & McBurney, D. H. (2012). Research methods. New York: Cengage Learning.
" (Rizzoli, Oliverio, Montemanni and Gambardella, 2004) According to Rizzoli, Oliverio, Montemanni and Gambardella objectives are that which "measure the fitness of a solution. They can be multiple and often they are also conflicting. The most common objective is the minimization of transportation costs as a function of the traveled distance or of the travel time; fixed costs associated with vehicles and drivers can be considered, and therefore the number of
strategic role for CMP Knowledge Management and Business Intelligence (BI) Importance of knowledge management and the purpose of BI Make recommendations on improvements that can be made at CMP in terms of knowledge management. Explain how the forecasts in your Excel spreadsheet can assist Michael with BI. Porter's Five Forces Model Analysis of buyer and supplier power for CMP using Porter's Five Forces Model. Analysis of rivalry, entry barriers, and threat of substitute products Recommendations on strategies
Adoption Of Social Media by Small Business and Entrepreneurs in the Gulf Region The internet technology has revolutionized the communication landscape among businesses in both developed and emerging economies because of the unprecedented growth of the social media. Social media is an interactive technology system that business and people use to collaborate, connect, and create personal and business profiles. A growing consensus among marketing professionals, business and academic communities shows
Motivation The present study aims to establish a relationship between academic motivation and academic self-efficacy. More specifically we will be looking at whether individuals with high academic self-efficacy possess high intrinsic or high extrinsic motivation levels. A sample of approximately 100 undergraduate students will complete the Academic Motivation Scale, which measures their level of academic motivation as well as their type of motivation, and the College Academic Self-Efficacy Scale to measure
Portfolio Management In the project portfolio management context, a portfolio is an aggregation of active programs, projects and other business activities that indicate an organization's priorities, investments and allocation of resource (The standard for portfolio management, 2008). According to the editors of PM Network, "Portfolio management is the centralized management of one or more of those portfolios to achieve specific strategic business objectives" (2008, p. 75). Using project portfolio management
SPSS Study Description: List the research question for the study. The researcher is interested in looking at whether or not an appraisal from a person's manager regarding their job performance affects the person's self-esteem as measures on a self-esteem appraisal survey (SEM). According to the vignette while the researcher has managers give either a positive rating or a negative rating; he/she has no pre-experimental hypotheses regarding of how these specific appraisals will
Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.
Get Started Now