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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...

Stats Report

5 pages (1250 words)

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... Analysis of two locations Total words (1460) Temperature Analysis of two locations In this statistical analysis report, temperature analysis for two locations was performed. The dataset provided contained weather observations from January 1st 2014 through to March 31st 2014 for two locations-Gold Coast Seaway (Station ID 040764) and Toowoomba Airport (Station ID 041529). The minimum and maximum temperature in degree Celsius were recorded for each location within the period. The data was then analyzed using MS EXCEL and SPSS to reveal various parameters including the measures of central tendency, measures of dispersion, kurtosis and skewness. Bar and line trend graphs were drawn to show the...

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Statistics project

6 pages (1500 words)

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... OF DUTCH FASHION STORES (1990 EXAMINING THE SALES’ MODEL By Presented to Introduction This report provides an analysis of data collected from 400 Dutch fashion stores in 1990. The data consists of cloth material sales made (in square meters), the number of full-time employees, number of part-time employees, total number of hours input by employees, and the size of the sales’ store. The aim of the analysis is to investigate how each of the independent variables (the number of full-time employees, number of part-time employees, total number of hours input by employees, and the size of the sales’ store) affects the response (sales made). The report provides an introduction (this section), an analysis,...

Multi line regression

5 pages (1250 words)

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... Regression One field that has been of importance not only to researchers, but also the policy makers, business managers, medical professional engineers, marketing officers to mention but a few is statistics. Ideally, it entails using a large dataset to get meaning and to draw inferences and conclusion which later are used to make rational decisions, clear things out or expand human knowledge and understanding of underlying phenomenon (Osborne & Waters, 2002). In this case, how a country engages in international trade through imports and exports is one area that greatly depends on statistics in order to determine how well a country is doing in terms of trading with the relevant partners and in...

Descriptive Statistics of the Business Model

8 pages (2000 words)

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... 1-a. The descriptive summaries of the data set for current model and new model are given below: Table 1: Table showing the Descriptives ofdriving distance for each model
Descriptive Statistics
Model
Current
New
Mean
272.85
269.00
SE(Mean)
2.194
2.557
95% Confidence Interval for Mean Lower bound
268.26
263.65
95% Confidence Interval for Mean Upper Bound
277.44
274.35
5% Trimmed Mean
273.17
269.22
Median
274.00
269.00
Variance
96.239
130.737
Std. Deviation
9.810
11.434
Minimum
255
243
Maximum
285
291
Range
30
48
Interquartile Range
16
17
Skewness
-0.474
-0.279
Kurtosis
-1.008
0.301
Coefficient of variation
3.6%
4.25%
Interpretation:
Interpretation of d...

Econometric analysis project

5 pages (1250 words)

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... Does Capital Punishment reduce homicide rate? This paper examines the relationship between homicide rate and the capital punishment in USA. The data used was a time series data and was obtained from Federal Bureau of Investigation (FBI) spanning from the year 1991 to 2011. Statistical tests were conducted to examine the linearity or nonlinearity of the relationship between homicide rate and the capital punishment. Various tests for goodness of fit were also conducted to determine the appropriateness of the model. The results show that there is indeed a positive linear relation between the homicide rate and the capital punishment.
INTRODUCTION
In this project we consider a time series data to analyze...

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...

The Determinants of Household Poverty in the USA - 1980

8 pages (2000 words)

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... OF HOUSEHOLD POVERTY IN THE USA IN 1980 By: Presented Introduction This paper presents an investigation of the factors that determine poverty; the relationship between poverty and each of the factors. For the following analysis, the four factors/ determinants of poverty include family size, urbanization, unemployment rates and median household incomes. Accordingly, they are the independent variables. The data corresponds to the average 1980 values calculated for fifty eight (58) counties in the state of California. Based on this fact, the sample size is 58.
Poverty refers to the percentage of families living below the poverty line. It is the dependent variable in this analysis. Family size is basica...

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...

Stat project

6 pages (1500 words)

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... impact of exports and FDI (Foreign Direct investment) on GDP in Saudi Arabia (1990- [Pick the Contents Contents 2 1 Purpose 1
1.2 Reason for the Selection of Topic 2
References 6
1. Introduction
Gross domestic product has always been considered as one of the most important indicator to represent the performance of the economy. The economic performance can always be represented in terms of the production level within the economy. The gross domestic product is an aggregate measure of production that can be represented as the sum of values or products produced by the residents of the country. It does not include the products or the subsidies, which are not considered part of the value of their output....

Statistical Analyses of Research Question

16 pages (4000 words)

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... Social Control and High Drug Use in Louisville and Lexington, Kentucky Introduction This research paper investigates the roles that informal social control plays in the rising high drug usage areas of Louisville and Lexington, Kentucky. Using data from the Interuniversity Consortium for Political and Social Research (ICPSR), the relationship between informal social control and high drug usage is sought.
Background
Social control denotes a form of regulation exercised by the authorities on groups of people or individuals to make them conform to a specific set of rules or social-legal parameters. In essence, social control is the key aspect behind the transformation of most immigrant families into tak...

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...

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...

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...

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

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....

Statistics Assignment

5 pages (1250 words)

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... a. Answer: This is concerned with the confidence interval of difference of proportions. The first proportion is p1=0.74, the second proportion is p2=0.52. The difference is 0.74–0.52=0.22, the standard error of the difference is SE(p1–p2)=sqrt(pq(1/n1+1/n2)) where
p=(n1p1+n2p2)/(n1+n2)=(0.74*350+0.52*500)/(350+500)=(259+260)/850=0.611, q=1–p=0.389
So, SE(p1–p2)=0.033984. The 95% confidence interval is given by
[(p1–p2)-1.96*SE(p1–p2),(p1–p2)-1.96*SE(p1–p2)]=(0.22-0.067,0.22+0.067)=(0.153,0.287) ie. between 15.3% and 28.7%
(b) (i) Answer:
The alternative hypothesis H1 is that perceived quality of merchandise is a determining factor of store image for shoppers at speciality stores than at discount s...

Statistics case memo

6 pages (1500 words)

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... Wednesday, February 17, FINRA XYZ Re: Evaluating Bank in New Jersey (Scatter Diagrams & Descriptive Statistics)
INTRODUCTION
Thank you for the opportunity to evaluate the factor, the percentage of the population in each county influencing the number of people in each county per branch bank in New Jersey.
Every Financial institution has a legal and social responsibility to serve all communities and banks are obliged to serve adequately both inner-city and suburban neighborhoods, both poor and wealthy communities. A number of questions arise recently such as “Do New Jersey banks serve minority communities?” In New Jersey, banks have been charged with withdrawing from urban areas with a high percentage...

Statistics Project, Political Science

2 pages (500 words)

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... Statistics Project, Political Science Overview of Theory International politics is a discipline closely relatedto international relations that is known as the political relationship or link between foreign nations (Black 65). It is a branch of political science, which is concerned with foreign affairs between countries and, specifically, international policies. In other words, international politics defines the politics of the global community in a fairly narrow sense mainly about diplomacy, as well as state relations and other political units (Black 65). Apart political science, the discipline of international politics draws intellectual materials from the fields engineering and technology,...

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