Sabrina Lebron
December 2, 2010
Professor Ann Impens
Week 1 Assignment

The chart of graph selected comes from the US Centers for Disease Control and Preventions MMWR in the article, "Heat Illness Among High School Athletes --- United States, 2005--2009"

Identify the type of chart or graph and what this type of chart or graph usually depicts.

At the bottom of the article, there is a verticle bar chart of the Number of time-loss heat illnesses among high school athletes, by month. verticle bar charts usually depict the number of events or occurrences by group (in this case the number of time-loss heat illnesses by month). Sometimes bar charts are also used to depict percentages by groups as well.

Why was this graph chosen to display this data?

The graph shows a striking spike in the number of heat illnesses in the Month of August -- one of the warmer months and first months in which football training occurs. It speaks to one of the main points of the article -- that heat illnesses occur most frequently when athletes have not yet had a chance to become acclimated to the heat.

What other types of graphs could have been used? Why?

A horizontal bar chart could have been used as this is the same chart as the one presented only the axes are interchanged. In addition a line graph could have represented the same information to show the trends in illnesses over time.

Is the scope and scale of the graph appropriate? Why or why not?

Yes, the scope and scale of the graph are appropriate. The x-axis of the chart shows all the available months of the study, with the exception of 17 cases in which there was missing data, but this is noted in the title above the graph. Since the graph consists of counts, the y-axis is appropriately shown from 0 to 70, just under the maximum number of cases in any...

...Department of Decision Sciences
Rational Decision Making
Only study guide for
DSC2602
University of South Africa
Pretoria
c 2010 University of South Africa
All rights reserved.
Printed and published by the
University of South Africa,
Muckleneuk, Pretoria.
DSC2602/1/2011
Cover: Eastern Transvaal, Lowveld (1928) J. H. Pierneef
J. H. Pierneef is one of South Africa’s best known artists.
Permission for the use of this work was kindly granted
by the Schweickerdt family.
The tree structure is a recurring theme in various branches
of the decision sciences.
Preface
Everyday life is full of decisions. What should I wear today? What should I eat? Should I buy
the red or blue shirt? Should I buy a speciﬁc house or buy a piece of land? What is the shortest
route from my house to work? . . . And many more.
Some of these decisions can be made without thinking or by guesswork. Some can be solved by
reasoning or emotions. Some are a bit more diﬃcult and may need additional information.
People have been using mathematical tools to aid decision making for decades. During World
War II many techniques were developed to assists the military in decision making. These developments were so successful that after World War II many companies used similar techniques in
managerial decision making and planning.
The decision making task of modern management is more demanding and more important
than ever. Many organisations employ operations...

...Trajico, Maria Liticia D.
BSEd III-A2
REFLECTION
The first thing that puffs in my mind when I heard the word STATISTIC is that it was a very hard subject because it is another branch of mathematics that will make my head or brain bleed of thinking of how I will handle it. I have learned that statistic is a branch of mathematics concerned with the study of information that is expressed in numbers, for example information about the number of times something happens. As I examined on what the statement says, the phrase “number of times something happens” really caught my attention because my subconscious says “here we go again the non-stop solving, analyzing of problems” and I was right. This course of basic statistic has provided me with the analytical skills to crunch numerical data and to make inference from it. At first I thought that I will be alright all along with this subject but it seems that just some part of it maybe it is because I don’t pay much of my attention to it but I have learned many things. I have learned my lesson.
During our every session in this subject before having our midterm examination I really had hard and bad times in coping up with this subject. When we have our very first quiz I thought that I would fail it but it did not happen but after that, my next quizzes I have taken I failed. I was always feeling down when in every quiz I failed because even though I don’t like this...

...Uses of Statistics
HCS/438
August 2, 2011
Mike Janson
Uses of Statistics
The use of statistics has been proven to assist the understanding of information, data, in many ways. Statistical information is not just collected, but it is also organized and quantified, providing a clearer picture for further study. This writer will explain how statistics are used in my personal workplace, and describe aspects of the statistics used.
Statistics in Personal Workplace
My personal workplace is what the federal government classifies as a skilled nursing facility, under the label of long term care. We serve one hundred and twenty predominantly elderly residents who are both long-term stays, as well as rehabilitative short-term stays. Statistics are used in many aspects of this field, from the reimbursement and payment systems, to the quality improvement measures we must and do depend on for assuring our care is of the highest standards. I will explain two types of statistical classification examples used in my workplace in the following paragraphs.
Descriptive Statistic Example
The example of a descriptive statistic would be our Education impacts the quality of the services provided (Gambrill, 2000). At these times, and at times of organizational and personal planning for the future, accurate, and...

...Chart/Graph Paper
Kelly Preskorn
HCS/438 Statistical Applications
October 12, 2010
Lynn Bertsch
Chart/Graph Paper
“Data are summarized in a visual way using charts and graphs (Rumsey, 2010).” Some of the basic graphs used include pie charts, bar charts, and histograms. Pie charts used more for percentages, bar charts used to compare groups and histograms to show numerical data.
Pie charts take data that is categorized and shows percentages or individuals that can be placed into each category. The sum of all pie slices should equal 100 or 100%. Pie charts are in a circular shape which allows slices of the “pie” to be compared easily. An example of a pie chart would be showing where your money goes when you purchase a lottery ticket. A designated amount for prizes, retailers, and the lottery commission itself, and education.
Bar graphs are used also in summarizing data which has been or can be categorized. The bar graph breaks data into groups showing how many pieces are in one group, or what percentage. Bar graphs are often used to compare groups and breaking the groups down and showing the information side by side. An example of a bar graph would be the number of women in the workforce. Breaking that up into number with children, with children under 10 and children 11-17. Units should be evenly spaced when using a bar...

...Charts and graph are images that present data symbolically. They are used to present information and numerical data in a simple, compact format. This paper will focus on three types of charts and/or graphs which are: pie charts, bar graphs, and histograms.
What types of data there are and how the data was collected is important for the reader to understand.. According to Bennett, Briggs, and Triola (2003) there are two types of data. They are:
*Qualitative data- Data consisting of values that describe qualities or nonnumeric categories.
*Quantitative data- Data consisting of values representing counts or measurements (p G-4).
In the following three examples of charts/graphs the type of data being displayed will be discussed.
Pie Chart
Excellent use of section headings!
The first type to be discussed is a pie chart. A pie chart is "a circle divided so that each wedge represents the relative frequency of a particular category. The wedge size is proportional to the relative frequency, and the entire pie represents the total relative frequency of 100%" (Bennett et al., 2003, p G-3).
This first chart displays the results of a 60-day survey to determine the amount of library users conducting searches within the nursing profession (Jones, 2006, p 1). Excellent citations throughout your paper. In this study qualitative data was analyzed to determine and measure user activity. The qualitative data was...

...Statistics is the study of the collection, organization, analysis, interpretation, and presentation of data.[1][2] It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments.
In mathematics, a graph is a representation of a set of objects where some pairs of the objects are connected by links. The interconnected objects are represented by mathematical abstractions called vertices, and the links that connect some pairs of vertices are called edges.[1]Typically, a graph is depicted in diagrammatic form as a set of dots for the vertices, joined by lines or curves for the edges. Graphs are one of the objects of study in discrete mathematics.
Line graph is a graph that uses line segments to connect data points and shows changes in data over time.
A bar graph displays data visually and is sometimes called a bar chart or a bar graph. Data is displayed either horizontally or vertically and allows viewers to compare items displayed. Data displayed will relate to things like amounts, characteristics, times and frequency etc. A bar graph displays information in a way that helps us to make generalizations and conclusions quickly and easily.
histograph Line-chart based on a histogram, it is drawn by joining the mid-points of the blocks at their apexes with a straight line. The...

...REFLECTION ON MEANING, USE AND HISTORY OF STATISTICSStatistics even before came out of the daily needs of the people. From what I thought simple now and complicated in the past, statistics remained a great help to all of them. I imagined how the life would be if I were to live during the time of De Moivre, Adolf Quetelet, Sir Francis Galton and among others. I would be amazed by their works and start to love mathematics. I’d be proficient in the bell-shaped distribution, statistical techniques, percentiles, etc. I am not really into mathematics but I understand that mathematics play an important role in the lives of the people. I don’t have a choice but to love mathematics. Especially that I am a future educator, mathematics especially statistics, will help me a lot in dealing with the paper works in the class. As mentioned in the handout, statistical method has by far the most number of applications. Mathematics, engineering, social sciences make the most use of statistics. Housewives, students, policy-makers, businessmen, teachers and all other people make use of statistics everyday even in some simple activities.
Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. Every day we collect information on what the weather is and analyze on how we will dress and what we will bring...

...|Course Title |Descriptive and Inferential Statistics |
|Prerequisite |MTHS001 (College Algebra) |
|Credit/No. of Units |3 units |
|Duration/Term |First Semester, School Year 2012 - 2013 |
|Instructor |Glenda G. Quinto |
|E-mail Address |alphakristina916@yahoo.com |
|Consultation Hours |9:00am-10:30am TTh; 3:00pm – 4:30pm MW; 9:00am-10:30am T |
|Consultation Venue |CAS Faculty Lounge, 1st Floor, Dolan Building |
Course Outline
I. Nature of Statistics
1. Introduction to Statistics
2. Descriptive and Inferential Statistics
3. Variables and Types of Data
4. Data Collection and Sampling Techniques
5. Observational and Experimental Studies
6. Uses and Misuses of Statistics
1....

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