Essays Tagged: "Normal distribution"

Research Methods Essay.

the data did not contain outliers and the mean, median, and mode were very similar, you would get a normal distribution. A normal distribution is one in which all data evenly fits below the normal cur ...

(3 pages) 367 3 4.5 Sep/2003

Subjects: Social Science Essays > Psychology

Outline and evaluate attempts at defining psychological abnormality

(a) Outline 2 attempts to define abnormality (6 marks)Statistical infrequency is an approach that attempts to define abnormality. It su ... to define abnormality. It suggests that most human personality and behavioural traits fall within a normal distribution with most people crowding around the middle of the distribution (the norm). Any ... norm). Any characteristic that is statistically rare according to this distribution is considered abnormal.A further attempt at defining abnormality is the deviation from ideal mental health approach. ...

(3 pages) 72 0 2.3 Mar/2004

Subjects: Social Science Essays

Conclude that the finished milled size of the components are normally distributed

lost.The aim of my investigation is to conclude that the finished milled size of the components are normally distributed around the target figure of 100 mm and there is no justified need to carry out ... 1 ~ I and Appendix LSB 2 ~ IPRIMARY ANALYSISIf the population from which the data was analysed by a normality test were sampled, violates one or more of the normality test assumptions, the results of ...

(11 pages) 117 0 5.0 Apr/2004

Subjects: Businesss Research Papers > Management

SIX SIGMA

formance Levels from 1 Sigma to 6 Sigma 87. Conclusion 98. References 10LIST OF TABLES ANDFIGURES1) NORMAL DISTRIBUTION CURVES2) SIX SIGMA PERFORMANCE LEVELS3) ORGANISATIONAL SETUP4) COST & SAVING ...

(6 pages) 548 1 4.1 Oct/2004

Subjects: Businesss Research Papers > Management

The module title is nursing the highly dependent patient. The essay question was 'discuss the the role of the nurse in the delivery of intravenous therapy for the highly dependent patient'.

e safe delivery of intravenous therapy for a highly dependent patient, with reference to the to the normal distribution of body fluid. This topic was selected for discussion, due to the fact that intr ... ent, and will discuss why these patients may require IV therapy. It will also make reference to the normal distribution of fluids in the body and why this fluid distribution may alter in these patient ...

(1 pages) 36 0 3.0 May/2005

Subjects: Humanities Essays > Health & Medicine

The module title is nursing the highly dependent patient. The essay question was 'discuss the the role of the nurse in the delivery of intravenous therapy for the highly dependent patient'.

e safe delivery of intravenous therapy for a highly dependent patient, with reference to the to the normal distribution of body fluid. This topic was selected for discussion, due to the fact that intr ... ent, and will discuss why these patients may require IV therapy. It will also make reference to the normal distribution of fluids in the body and why this fluid distribution may alter in these patient ...

(13 pages) 140 0 4.0 May/2005

Subjects: Humanities Essays > Health & Medicine

Applying ANOVA and Nonparametric Tests.

data for more than two populations. The Kruskal-Wallis is used to analyze data that does not have a normal distribution and/or the data has been deemed ordinal and not quantitative. Another key lesson ...

(1 pages) 733 0 3.7 Dec/2005

Subjects: Science Essays > Mathematics

Outline of Chapter 6 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)

Chapter 6 OutlineIdentify distributions as symmetrical or skewed.Identify the properties of the normal distribution.Find the area under the standard normal distribution, given various z values.Fin ... he area under the standard normal distribution, given various z values.Find the probabilities for a normally distributed variable by transforming it into a standard normal variable.Find specific data ...

(5 pages) 136 0 0.0 Jan/2006

Subjects: Science Essays > Mathematics

Outline of Chapter 8 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)

is a statistical test for the mean of a population. It can be used when , or when the population is normally distributed and s is known.The z Test FormulaThe formula for the z test is:The z Test When ... the null hypothesis is true.The P-value (cont'd.)The P-value is the actual area under the standard normal distribution curve (or other curve depending on what statistical test is being used) represen ...

(5 pages) 237 0 4.3 Apr/2006

Subjects: Science Essays > Mathematics

Applying ANOVA and Nonparametric Test

data for more than two populations. The Kruskal-Wallis is used to analyze data that does not have a normal distribution and/or the data has been deemed ordinal and not quantitative. Another key lesson ...

(1 pages) 696 0 5.0 Apr/2006

Subjects: Businesss Research Papers > Case Studies

Does Smoking affect breathing capacity?

between 1.5 and 4.5 litres.Say something about random and representative, and something to do with normal distribution.ResultsThe computer output shows a small increase in FEV1 levels in children who ...

(1 pages) 610 0 0.0 Aug/2006

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

Central Tendency and Dispersion Statistical Measurements

amount of small, independent error sources. The Gaussian distribution is also commonly called the "normal distribution" and is often described as a "bell-shaped curve". (Gauss curve, 2004)Examining t ...

(3 pages) 102 0 0.0 Jan/2007

Subjects: Science Essays > Mathematics

Five Step Hypothesis Testing Paper - National Average Gas Price

thesis when it is actually true (Lind et.al. 2005 p.320). Five percent describes the area under the normal distribution curve that will result in the rejection of the null hypothesis. Since this will ... important to consider a few guidelines about our sample. The first is whether the sample follows a normal distribution. In order to use the z or t- statistic, it must be assumed that the data follows ...

(6 pages) 582 0 5.0 Jan/2007

Subjects: Businesss Research Papers > Case Studies

ANOVA and Nonparametric Tests

fter completing the simulation in week four. ANOVA assumes that each population being studied has a normal distribution, that errors are random and independent of each other, and that all the populati ... ake three major assumptions:1.Errors are random and independent of each other.2.Each population has normal distribution.3.All populations have the same variance.In order to check whether or not the po ...

(3 pages) 756 0 4.3 Jan/2007

Subjects: Science Essays > Mathematics

Applying ANOVA and Nonparametric Tests

cial to performing the tests.2.Use the Kruskal-Wallis test if unable to determine if the data has a normal distribution.3.Be aware of the three major assumptions and know if they are met:•Errors ... w if they are met:•Errors are random and independent of each other.•Each population has a normal distribution•All the populations have the same variance.(Lind, Marchal, & Wathen, 20 ...

(3 pages) 586 0 3.7 Sep/2007

Subjects: Businesss Research Papers > Management

Regression Analysis Essay

on analysis also has other forms that give the assumption that values of the dependent variable are normally distributed about some mean for any given value of the independent variable. In regard to o ... relation analysis is that differences in each of the variables are random, and the variables follow normal distribution for any set of values taken under a given set of conditions. The correlation coe ...

(9 pages) 98 0 5.0 Dec/2008

Subjects: Businesss Research Papers

ANOVA Testing

e requirements to perform the ANOVA. The requirements met were: “1. the populations follow the normal distribution; 2. the population have equal standard deviations; 3. the populations are indepe ...

(2 pages) 15 0 1.0 Apr/2009

Subjects: Businesss Research Papers

Applying ANOVA and Nonparametric Tests Simulation

to determine the causes of the poor quality. ANOVA assumes that each population being studied has a normal distribution, that errors are random and independent of each other, and that all the populati ... for more than two populations. The Kruskal-Wallis test is used to analyze data that does not have a normal distribution and/or the data has been deemed ordinal and not quantitative. In order to be abl ...

(3 pages) 174 0 5.0 Apr/2009

Subjects: Businesss Research Papers

Applying ANOVA and Nonparametric Tests Simulation Paper

ge given.ANOVA or analysis of variance has the assumption that each population under analysis is of normal distribution, errors are unsystematic and independent from one another and all populations ha ... nce. I also learned to use the Kruskal- Wallis test if I am not able to determine if the data is of normal distribution. Finally, I learned to be conscious of the three afore mentioned assumptions and ...

(2 pages) 147 0 0.0 Jul/2009

Subjects: Businesss Research Papers

Applying ANOVA and Nonparametric Tests Simulation

sed to compare data for more than two populations and is used to analyze data which does not have a normal distribution, and/or is ordinal and not quantitative. To use ANOVA there are three assumption ... there are three assumptions: Errors are random and independent of each other. Each population has a normal distribution and all of the populations have the same variance (University of Phoenix, 2009). ...

(2 pages) 116 0 0.0 Sep/2009

Subjects: Science Essays