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Statistics

2 pages (500 words)

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... Affiliation Answers to study questions in Exercise 11 The demographic variable that were measured at the interval level of measurements were age, annual income, length of labor, return to workers, and number of workers per week (Troy & Dalgas-Pelish, 2003).
2. Descriptive statistics were used in the description of length of labor in this study. Descriptive statistics were not appropriate because it considered only the features of the group being studied (Agresti, 2007).
3. Other statistic that could have been used in describing the length of labor is categorical statistics distribution (Agresti, 2007). In this case, a description of the length of labor could have been initiated whereby the length o...

Research one of the formulas in Statistics that we will cover and discuss the relevancy and application to the program

1 pages (250 words)

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... formula in statistics, its relevance, and application to nursing The scope of nursing, especially research, monitoring and evaluation processes, has established statistical applications as an integral part of nursing. The applications have particularly been essential in nursing research, evidence based practice and administration. This is because statistics provides evidence and an understanding of risks that are involved in nursing processes.
One of the statistical formulas that are applicable to the nursing program is the concept of probability. Probability is defined as the likelihood of obtaining success in an undertaking. Probability can either be experimental of theoretical. The formula for cal...

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Statistics and Data Interpretation

1 pages (250 words)

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... Statistics and Data Interpretation This work is worth 10% of the module marks Using MS Word, or clear hand-writing, enter your answers to questions in the spaces provided. Insert all tables at the end of the document, making sure they are properly labelled and have appropriate legends. When complete, print the coursework and attach your CYO coversheet to the front (see the module booklet, p8 if you do not know how to do this). Also attach your hand-drawn histogram at the back, stapling everything together. The submission deadline is 2:00 PM, 16th March.
Guidance on the use of Excel can be found on the 4BBY1060 coursework tab.
Part A (cardiovascular data) [total 20 marks]:
The data is provided se...

Statistics1

2 pages (500 words)

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... and inferential statistics Descriptive statistics are the set of statistical measures that can be used to summarize the data. Examples ofsuch measures are measures of central tendency such as mean, median, mode and measured of dispersion such as standard deviation and range. Inferential statistics are the set of statistical techniques that can be used to derive certain aspects of population based on findings from sample.
Difference between sample, population, statistic and parameter
In simplest of terms, sample is a subset of population which is the whole set for which we want to make inferences about. Generally the sample is used to make statistical conclusion for the population. The calculated mea...

Exploring the Logic of Experimental Design

3 pages (750 words)

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... the logic of experimental design Possible confounds in the study The study identifies a number of possible confounds including “historical effect,” “maturation effect,” and “testing effect” (Jackson, 2011, p. 231).
Internal validity and external validity and their importance
Internal validity refers to level of accuracy of a research that guarantees a research’s independence from external factors and confidence in derived conclusion. It is therefore important because it develops confidence in a research’s results and conclusions. External validity on the other hand refers to the degree to which results and conclusions of a research can be inferred to other settings and is important in validating infe...

Statistics on Violent Crime Among UK Youth (2013)

8 pages (2000 words)

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... on Violent Crime Among UK Youth (2013)
I. Statistics on Violent Crime among UK Youth (2013)
Violent crime refers to actual or threatened aggression which accompanies the commission of an offense. The definition applies both in offenses where the cruel act is the aim, such as homicide, and offenses in which acts of hostilities are contribute to the commission of the offense such as a robbery. Some cases of violent crimes are executed with weapons while others are not. Violent crimes vary in terms of the impact on the victim and may be as simple as harassment or as serious as murder. The police and Crime Survey for England and Wales (CSEW) have different descriptions of what constitutes violent crime:...

Experimental Designs I

3 pages (750 words)

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... Designs I Experimental Designs I Question One 2. A randomized ANOVA involves random recording of observations from anexperiment. In particular, it is a process of analysis that assigns many levels of looked into factors to units experimented in an irregular manner (Gonzalez, 2008). However, in repeated measures ANOVA, each factor is depicted in every level of treatment and there is a response to every dependent factor after every treatment. One-way is applied in testing differences among more than one independent group. Particularly, this ANOVA is applied in testing for differences for more than three groups as t test can be applied for two groups.
4. It sets the rate of alpha error to the exper...

Experimental Designs II

3 pages (750 words)

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... design Chapter 10 questions Q Source df SS MS F A 60 60 0.3 B 2 40 20 0.1
A X B 2 90 45 0.225
Error 30 200
Total 35 390
Factorial notation
The design’s factorial notation is 2 x 3.
Number of conditions in the study
The number of conditions in the study is six.
Number of subjects in the study
Number of subjects = total sum of squares’ degrees of freedom + 1.
The total number of subjects is therefore 36.
Significant main effects and interaction effects
There is neither mains nor interactions effects due do the low computed F values.
(Jackson, 2011; People, n.d.)
Q.2
Source df SS MS ...

Mouse Factory Design of Experiments

3 pages (750 words)

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... report of Performance of an injection-molding machine used in the Manufacturing operations of the Mouse Factory using the initial setting Introduction
The quality control and determination of the optimum input required for production of quality products with minimal cost input requires a measurement which will act as a base of product improvement. This report is aimed at providing a statistical analysis approach to the performance of an injection –molding machine used in manufacturing operations using the initial settings of the input variables. These are: mold temperatures, injection velocity, mold pressure, back pressure and cooling time. The basic output (response) variable is the percentage moldi...

Relations and Modeling of GDP and House price index of USA

7 pages (1750 words)

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... of the Introduction The study of the relations and modeling of the GDP and the House price Index of USA is one of the critical economic footings that have been used to determine the economic welfare of the society. Amidst the crises that have hit the nation since 2007-2008 economic down swings, that halted the global financial and economic markets, the statistics that relate the GDP and directly what affect people’s lives, house index is very important. Many economist, and global and government agencies such as the International Monetary Fund and the Federal Reserve of the United States have broached the experiential and empirical study of the housing effect on the economy.
AS argued by Strawser, et...

Statisitcs results

2 pages (500 words)

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... ANOVA measures whether there is a difference between the means of two or more independent groups. The study involved two groups, witnesses and non-witnesses. The hypotheses that apply in the analysis of variance are:
H0 : There is no significant difference between the means of the witnesses and non-witnesses with respect to guilt rating
H1 : There is a significant difference between the means of the witnesses and non-witnesses with respect to guilt rating
H0 : There is no significant difference between the means of the witnesses and non-witnesses with respect to punishment value
H1 : There is a significant difference between the means of the witnesses and non-witnesses with respect to punishment val...

STAT

5 pages (1250 words)

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... Question We firs set the null and the alternative hypotheses. The null hypothesis will be de d by (H0) and the alternative hypothesis as (H1)
(H0): μ = 125
(H1): μ ≠ 125
We now calculate the test statistic in order to be able to test the above hypothesis and decide on whether or not to reject or accept the hypothesis. The sample mean is give by $129.50, the sample size is 47 and the sample standard deviation is $18 and that α = 0.10
Z = {Sample mean- μ0}/ δ/√n = {129.50-125} ÷ 18/√47 = 1.714. Since we have a positive value of Z, we will need to pull all the values of α on the right of the mean of the data. Hence we obtain the follo...

Developmental psychology- Master level

7 pages (1750 words)

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... Reading at Home and Low SES Affect Literacy Development How Reading at Home and Low SES Affect Literacy Development
Contents
How Reading at Home and Low SES Affect Literacy Development 1
Abstract 2
Research question: 3
Introduction 3
Literature review 4
Method 6
Research hypothesis 6
Participants in the research 7
Analysis of the research 7
Results and Discussion 9
Conclusion 10
Reference 11
Appendix 13
Abstract
The main objectives of the research were to find out how reading at home and social economic level may influence literacy development in First Grade Students in United States (US). The research was a good tool for finding out effects of low SES and reading at home to overall literacy developm...

Quantitative Research

26 pages (6500 words)

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... Managing Information Dr Jalil Ahmed Tables of contents PART A 3 Quantitative Research Techniques 3 The nature of qualitative research 4
Rigor in qualitative research 6
Qualitative methods - a brief overview 9
Interviews 9
Focus groups 9
Observation 10
Personal journals and diaries 10
When to use qualitative methods 11
Positivism: the encompassment of a quantitative research approach 12
Weaknesses in quantitative research 14
Interpretive: the encompassment of a qualitative research approach 14
Weaknesses in qualitative research 15
Statistics in the area of management 16
A comparison between Qualitative & Quantitative Research 18
Part B 19
Research a company: CITIBANK COMPANY 19
INTRODUCTION 1...

Statistics

2 pages (500 words)

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... from the Statistical Analysis Descriptive Statistics Group Statistics Movie Type N Mean Std. Deviation Std. Error Mean Empathy score Group M & D
1.00
15
79.5333
8.76573
2.26330
2.00
15
61.8667
11.04450
2.85168
Independent Samples Test
Levenes Test for Equality of Variances
t-test for Equality of Means
F
Sig.
t
Empathy score Group M & D
Equal variances assumed
1.513
.229
4.853
Equal variances not assumed
4.853
Independent Samples Test
t-test for Equality of Means
df
Sig. (2-tailed)
Mean Difference
Empathy score Group M & D
Equal variances assumed
28
.000
17.66667
Equal variances not assumed
26.627
.000
17.66667
Independent Samples Test
t-test for Equality of Means
95% Confidence Interval of the Differ...

Personality, personality psychopathology and emotional regulation: determinants of addictive behaviours

16 pages (4000 words)

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... Psychopathology, and Emotional Regulation:Determinants of Addictive Behaviours Introduction The issue of addictive behaviours has provedto be one of the most complicated and hard-to-solve problems faced by humanity. It is both broad and open-ended; even when narrowing the focus down to substance abuse and the misuse of alcohol in particular, the subject still remains huge. In spite of the massive body of knowledge that has been gathered on the topic of addiction (both psychological and physical), addictive behaviours still remain a broad and misunderstood area of research, with many aspects of the topic still unexplored, and many specific areas becoming the primary focus of research while others...

Descriptive Statistics

2 pages (500 words)
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... statistics Consider this scenario: You are on the Board of Directors of the National Parkinsons Association. Two different research labs are working on medications to decrease the debilitating effects of the disease. Your responsibility is to review and evaluate both of the results from the research studies and make recommendations for future funding. You can only fund one of the two. Patients and their families are anxiously waiting for the Board of Directors to make a decision on which of the two can be funded.
Part I: Your first task it to do the following calculations for both of the results that have been submitted to you. Mean, Median, Mode, Range, Standard Deviation (are there outliners you sh...

Inferential Statistics

6 pages (1500 words)
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... Statistics Introduction The aim of the study was to find what influences the choice of the consumer towards particular operating systems in the different smartphones.
We are set to find out the following;
What is the current market share of the operating system?
What influences the choice of the smartphone?
Definition of data
The main depended variables of the data is smartphone. The independent variables are App, Graphical User Interface (GUI) and functionality. The study evaluates the consumer decisions in buying a smartphone in particular the set of attributes on the software (Del I. Hawkins, 2010).
Hypothesis
A statistical hypothesis test, is a decision made between two opposing hypotheses (Rob...

Business statistics

10 pages (2500 words)

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... Business Statistics Executive Summary This paper tries to explore the diverse statistical measures employing the sample data drawn randomly of sample size 33. The subject of interest is to test is the difference in intelligence among the male and female students. In order to make sure the randomness of the sample drawn, the student names were collected from each department and then using the random number sample was drawn. Since the data involved didn’t require any survey procedure, the databases were used to gather data.
The data generated was then tabulated on the MS Excel 2007 and further analysis was done using the data analysis ribbon of MS Excel 2007. In order to test the hypothesis, the signi...

Descriptive statistics

4 pages (1000 words)
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... Statistics Descriptive Statistics ASSIGNMENT PART ONE Task One Difference in Eccentric pre-test and post-test Eccentric viewing
Pre-test
Post-test
Workings
Difference
32
39
39-32=7
7
214
217
217-214=3
3
22
53
53-24=31
31
0
51
51-0=51
51
27
74
74-27=47
47
75
71
71-75=-4
-4
70
85
85-70=15
15
58
115
115-58=57
57
14
154
154-14=140
140
37
103
103-37=66
66
45
127
127-45=82
82
106
187
187-106=81
81
Task Two
Eccentric Viewing group difference scores
Frequency
Workings
Percent
7
1
(1/12)*100=8.33%
8.33%
3
1
(1/12)*100=8.33%
8.33%
31
1
(1/12)*100=8.33%
8.33%
51
1
(1/12)*100=8.33%
8.33%
47
1
(1/12)*100=8.33%
8.33%
-4
1
(1/12)*100=8.33%
8.33%
15
1
(1/12)*100=8.33%
8.33%
57
1
(1/12)*100=8.33%
8.33%
140
1
(1/12)*1...

Statistics Project

4 pages (1000 words)

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... Part II Part II b Part II C Descriptive Statistics N Minimum Maximum Mean Std. Deviation Variance Skewness Kurtosis Statistic
Statistic
Statistic
Statistic
Std. Error
Statistic
Statistic
Statistic
Std. Error
Statistic
Std. Error
AGE OF RESPONDENT
1969
18
89
48.19
.399
17.687
312.834
.295
.055
-.794
.110
HIGHEST YEAR OF SCHOOL COMPLETED
1972
0
20
13.53
.070
3.127
9.775
-.398
.055
1.169
.110
SUBJECTIVE CLASS IDENTIFICATION
1957
1
4
2.39
.016
.714
.510
-.190
.055
-.397
.111
R EVER INJECT DRUGS
1703
1
2
1.98
.004
.155
.024
-6.135
.059
35.681
.119
Valid N (listwise)
1687
Part III
a) The measures of central tendency and variability of the financial status and depression
Descriptive Statistics
N
Range
Minim...

Statistics Project

2 pages (500 words)
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... Set-up a. The objective of the researcher is to use the data set to test the impact of music on the growth (height) of plants. b. In this problem, the dependent variable is the height of the plants. The independent variable is the exposure of the plants to music. The independent variable is a categorical variable which assumes 2 values that is whether plants are subjected to music or not.
c. The level of measurement of the height of the plants follows a ratio scale since all the heights are distinct numbers.
d. The population distribution should be normally distributed since the plants in the two groups are selected at random. There is no selection bias involved.
e. Josh is making use of simple rando...

Real Estate Statistics Project

8 pages (2000 words)

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... E Real E Titus Rock Manickam Order No. 315203 11 August 2009 Table of Contents Introduction''''''''''''''''''.. 3
Prospective market value''''''''''''...4
Statistics''''''''''''''''''''6
Invest wisely''''''''''''''''''.8
Conclusion'''''''''''''''''''10
Sources''''''''''''''''''''.11
Real Estate
Introduction
The real estate market may be down but people are still buying and selling houses. The need to buy and sell is inherently influenced by reasons such as job transfers, decision to buy bigger property, inability to pay mortgages, etc. The reasons may not be for business all the time.
Real estate prices are factored on the premise of land demand. There is so much ...

Descriptive Statistics

6 pages (1500 words)

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... statistics: Personal expenditures and determinants Program: Supervisor: August 19, Descriptive statistics: Personal expenditures and determinants
Introduction
Consumption, measurable through quantities of goods and services that individuals demand for in a period, is one of the aspects of economics, and it depends on factors whose understanding may be significant to consumers, producers, and intermediaries. Statistical application to understanding distribution of levels of consumption and associated factors is significant to business organizations for policymaking and for decisions on levels of production (Lee, C., Lee, J., & Lee A., 2013). Understanding distribution of levels of income across a mark...

Statistics project

5 pages (1250 words)
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... Project Affiliation Statistics Project A careful analysis of the Chinese telecom industry reveals that there are a number of marketing related challenges, such as stiff competition, changes in consumer tastes and preferences, poor communication strategies, and inadequate marketing research, facing the industry. By executing this study, the researcher will thus help in suggesting solutions for the purpose of improving the telecommunication industry growth rate. Pradhan, Bele & Pandey (2013) establishes that the telecommunication sector is a vital component of any economy. Through the growth of the telecom sector, economies such as the United States and India have experienced positive transformation....

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