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Essays 511 - 540

Aging and Mitochondria

Medical Association, 2004). Chronic conditions often lead to medical crises, such as fractured hips, stokes, heart attacks and st...

Africa and the Impact of AIDS

leaving behind (The Lancet, 2005). A tremendous percentage of these deaths are reported as deaths from pneumonia or tuberculosis,...

Departmental Statistical Examination of Employees

pie chart to present these. Using these we can see although the number look similar in the graph chart, but presenting them in...

Statistical Analysis and Alpha Use

The statistical conclusion validity of a study measures the exact amount of validity shown by the test in a given situation. A te...

Texas Crime and Minorities

in Texas is immense and far-reaching. Bratschi (1995) contends the ultimate factor in the overwhelming racial bias within mass me...

Intervention and Teenage Pregnancy

needs to be done in this area. Table 1 illustrates the distribution of teen pregnancies by ethnic group. Table 1. Teen Pregnanci...

Cluster Analysis, Multidimensional Scaling, and Factor Analysis

"the feasibility of bringing new generic drugs to market" (Innovating Opportunities, n.d.). Email to Upper Management Facto...

Eleven Multiple Choice Statistical Questions Answered II

5. Variance of values in #1 "A data series like 1, 2, 3, 6 has a mean equal to (1+2+3+6)/4=3. The differences...

Research Designing

For this research we want to gather data which we can compare and describe the needs and as such quantitative data is the better a...

Type I and Type II Errors and Statistical Testing Uses

to third world countries where there are problems such as hunger and famine. The development of foods that need lesser levels of w...

EPS and Gearing Statistical Test Link

allow the two figures to be taken and then assess. As there are different patterns in different industries we will choose two indi...

Student Questions on Statistical Analysis Answered

(b) Lower rate (c) Higher rate (d) Total for each occurrence (e) (c+d) Total cost for each type of occurrence (b x e) 4 14 3600 0 ...

Research Paper Proposal on Gentrification That is Plaguing Olde City

change hands." The author goes on to explain that well meaning artists who want to live in old cities because they like the charac...

Statistical Tools and Their Appropriate Uses

data, researchers determine an alpha level, which is basically "how willing they are to be wrong when they state that there is a r...

Data Entry Codes and Quantitative Analysis

months) More than twice a year When a need exists Never No data 1 2 3 4 5 9 General level of health Excellent Good Average Poor Ex...

Student Posed Questions on Statistical Analysis

an hypothesis. If the sales are the same in all locations they should all have the same average. If we take the average daily sale...

Simulation Model Statistical Case Study

are five main approaches to using probability. The first is the classical approach. Here there is the assumption that all outcomes...

Diversity in Occupations in Health Care

hallways of hospitals, it does seem to contain a great deal of minority workers. Yet, it is not clear who are in managerial roles ...

Senior Citizens and Housing

heart attacks and strokes (Bartelmes, 2002). These conditions may also lead to slow but progressive disability (Bartelmes, 2002). ...

Overview of the Cellular Phone Service Industry

had known how to do this, cell phones would have been on the market more than 50 years ago (Mehta, 2004). AT&T even developed a pr...

Fear of Hand Sanitizer, a Statistical Sampling

time; there is now a class of staphylococcus bacteria that is resistant to all known antibiotics and has been blamed for the death...

Human Sexuality as Conceived by Alfred Kinsey and Sigmund Freud

desires. "On the contrary, we shall recognize more and more clearly that the essence of the perversions lies not in the extension...

Overview of the Massachusetts City of Wayland

robbery, two assaults, 12 burglaries and one auto theft but there were 89 counts of larceny (City-data.com, 2004). Morbidity and ...

Student Posed Questions on Statistical Errors

of the situation. For example, where there are personal points of view to be questioned and there are fears that the answers may b...

Statistics Interpreted

lunch, on average, 5.9 times a week and they eat breakfast 3.4 times a wee, this means that there are more lunches eaten by the ma...

Research Methods

analysed as it is in-depth data that is created so that the use of existing theory may be extended and used to explain the results...

Statistical Analysis Simulation

services they buy and use. In all cases there is the need to determine the target of the research and use a sample that is a fully...

Forecasting

such as influences in the demand for the goods which may include macro economic factors such as expected disposable income level m...

Treatment and Adolescent Depression

2006). Marcotte and colleagues (2002) note that a great deal of progress has been made in this field over the last two decades but...

Heart Disease and the Role of Cholesterol

cholesterol has been believed to be a correlate in heart disease for several decades. In a February 1990 "American Family Physici...