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Operational Research Statistics Essay
6 pages (1500 words)
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Notably, operations research has played a significant role in the decision making process on the use of resources in an organization. This has
Statistics Statistics Essay
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by the US National Fire Protection Association, NFPA show that Americans have indeed appreciated the importance of that this device plays in ensuring their safety as 24 out of 25 of the surveyed homes have at least one fire alarm (Ahrens, 2014). This representing about 96% of
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Statistics/ IT Statistics Speech or Presentation
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The keypads form the physical interface that can be understood by human beings. However, below the keypads are electrical contacts that are activated every time any keypad is pressed. The aim of this paper is to
The Normal Distribution and Probability Statistics Research Paper
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This variable may be considered a ratio level variable because of its attributes. First, differences between different levels of ratio level variables have the same meaning (Rubin, 2009, p. 24). That is, the difference in
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Testing a Theory in Day-to-Day Life Statistics Essay
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The approach discussed in the paper would provide a sufficient amount of data to be part of statistical analysis like a repeated measures t-test that would provide precise information about the significance of any difference between the recorded and non-recorded conditions. I could have the data recorded by another person, thereby eliminating the possible confounds associated with self-reporting.
Quantitative analysis Statistics Assignment
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Moreover, the vertex possessing the highest profit is the maximization points while the vertex with the lowest points is the minimization points
There is assumption that conditions of certainty occur, which implies that the prevailing numbers within the objective
NURSING (POPULATION AND SAMPLE DISTRIBUTION)-2 Statistics Assignment
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-1.99 is significant, in this study because it falls in between the 1 tail percent of 0.025. This is because df is 169 and alpha level is 0.05. The value -0.99 progressively becomes more significant as this value becomes smaller and smaller from 0.05.
Variable Selection Statistics Essay
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This is opposed to forward and backward selection which are very efficient in such situations and many others (Bruce, 2011). Many other people do not share the same opinion as Bruce Ratner: many computer data analysts find stepwise selection to be very efficient and good to
Down Syndrom: Medical Causes or is it inherited Statistics Statistics Project
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d drives one to find out the reported cases of the encroaching diseases in a population on specific time at birth by Obstetrics of Gynecologists (Keir and Krebs 129). To determine the Prevalence of Down Syndrome diagnosis, it was important to determine how many children are born
Logic of Statistical Significance Statistics Essay
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Significance levels depict the likelihood of a result being true (Creative Research Systems, 2012).
For example, suppose a survey is undertaken to determine if there exists a difference in preferences with respect to
M3A1 Statistics Speech or Presentation
3 pages (750 words)
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Please note when a value appears in SPSS as .000, it is truly p
Business statistics Statistics Essay
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(Note: If you do not have a job where measures are available to you, ask someone you know for some examples, or conduct outside research on an interest of yours, or use personal measures.)”
The paper will explore the above questions in detail. First
Case Study 2 -part 2 Statistics Essay
3 pages (750 words)
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Within the sample, 46% were of machine type 3 which had the lowest rating of 155 parts per minute. 24% of the sample was of type 1 which had the highest rating of 700ppm. However, 30% of the sample was of machine type 2 which had
Dell's Value Chain Statistics Essay
5 pages (1250 words)
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The concept is to bridge the business and its clients globally and break away from the traditional supply chain. The company has employed its direct sales to build an excellent supply chain by
T-test and Degree of Freedom Statistics Assignment
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It is evidently clear from the discussion that a z-test is used to compare population mean with a standard or for comparing the means of two populations when the population standard deviation is known. It is also used for comparison of a proportion with a standard proportion or for comparing two proportions.
Average Statistics Essay
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The advantage of using the mode is that it is not affected by extreme values. Its disadvantage is that there can be more than one answer. Also, when there is no value that is repeated in the data, all the values will be the mode; thus, it becomes
Module 3 DQ 1 and 2 Statistics Assignment
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As for the cohort research design, a study is to be conducted over a timeframe, and it has to involve a member of a population as a representative or
Psych/Stats - Multiple Regression and Logistic Regression & Prenatal Maternal Speech Influences Statistics Essay
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A multiple regression analysis designed using these variables would have the null hypothesis that there is no correlation between the IBI time and each of predicting measures (baby age, mother age, and story word count), which would be indicated by
Single client/systems research assignment Statistics Essay
7 pages (1750 words)
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havioral therapy in the treatment of PTSD, the timeline taken for intervention and follow-up, methods of cognitive and behavioral intervention, and effects of their application on the client. The effectiveness of cognitive behavioral therapy in the treatment of PTSD is tested
SAMPLING Statistics Essay
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Simple random sampling refers to a sampling technique where every element in the population has an equal probability of being selected and as the name suggests it selects the sample
Frequency Distribution Statistics Assignment
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However, with the use of frequency distributions we can easily get exact figures for every task or data collected for each and every employee (Lewis, 2006). Making use of frequency distribution tools like graphs and
Abtgract/Introduction Statistics Essay
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This research is done by conducting a longitudinal scale over a 15-year time frame. Two populations of children were identified in the second grade: ones that show attention deficit disorder and ones that don’t.
Analysis of Variance Statistics Assignment
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However, this violation of normality could be due to the relatively small size of the data sets.
Conclusion: The results do not sustain our earlier assertion that the mean tensile strength is equal at different levels of weight percent of cotton.
Introduction to statistics Statistics Essay
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The above results can be confirmed from the linear graph shown below. We used a line graph because they are used to display data or information that changes
Statistics project Statistics Statistics Project
5 pages (1250 words)
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Pradhan, Bele & Pandey (2013) establishes that the telecommunication sector is a vital component of any economy. Through the growth
Minitab Statistics Assignment
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At 95% CI [16.6, 19 ] the sample mean lies within the parameters. Thus we reject null hypothesis that the average jail sentence of traffic offenders is 16.7.
The sample N = 500 is a large size thus we have to detect the gross non-normality,
Big Data, Big Data Analytics, Data Mining and their applications in Industrial Engineering Statistics Essay
4 pages (1000 words)
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This shapes customers consumption patterns, optimize unit commitment, and prevent power outages and more. All this has been done by the help of big data analysis in industrial engineering.
Simultaneously, these advances in technology also
Sampling Statistics Assignment
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There are different ways of choosing a sample, and each method is useful in responding to certain types of research questions. The different sampling techniques can be divided into
Factors Affecting Job Motivation, Satisfaction and Performance Statistics Research Paper
7 pages (1750 words)
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The author of the paper states that the sample was obtained through an online self-administered questionnaire as described in details in chapter 3. The respondents were asked a set of 27 questions which were logically grouped around the three topics of interest; Motivation, satisfaction and performance.
Data Collection Statistics Assignment
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This means that the evaluation of behavior varies with the location and time and that something may be considered legal in one place but illegal in another locality. Information on crime statistics can be obtained from various sources.
Recearch paper 2 Statistics Statistics Project
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Some possibilities might be: Mean, median, proportion, odds ratio (OR), hazard ratio (HR), vaccine efficacy (VE), etc. Note: Confidence intervals (CI) and P-values are not
Exploring the Logic of Experimental Design Statistics Statistics Project
3 pages (750 words)
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y 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 inference of a sample’s conclusions to a population (Jackson, 2011).
Similarities in within- subjects design and matched-
Minitab Statistics Assignment
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Do not perform any calculations; MINITAB has done them for you! Just find the values of the test statistic and the p-value on your Minitab output. State your conclusion using words relevant to the problem.
1. When public opinion surveys
Statistical techniques in engineering Management Statistics Essay
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Central limit theorem in statistics states that in a sufficiently large population, if a random sample size from the population is taken and the mean is calculated from sample size, it will be the same or almost equal to that of the whole population. This is very useful
Doctoral statistical methods Statistics Essay
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Therefore, analyzing the prenatal experiences of a child requires ‘qualitative and quantitative’ methodologies. Qualitative assessment is employed because the factors under observation are not measurable since the study focuses on assessment of
Global LinkedIn Demographics and Statistics Statistics Essay
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These individuals are involved in white-collar jobs and have obtained a high level of education to obtain their positions. The problem is that this population represents a small number of people throughout the world. If LinkedIn has to grow and has to increase the number of members, it has to target a younger portion of the population.
Multivariate analysisand cluster Statistics Speech or Presentation
7 pages (1750 words)
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The multivariate corresponding to the t-test is the t-hoteling. In a T - Hotelling we compare the population mean, that is more than one sample meaner. In this case,
Benchmarking Statistics Assignment
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e resulting information in the reports can then be used by both statisticians and decision makers to understand the facts pertaining to a particular business issue of interest.
One common use of analyzed data in comparing business performance can be seen in the use of different
Personal Statement for M.S in statistics Statistics Essay
3 pages (750 words)
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My career plan is to be a data analyst involved in marketing research and providing input for decision making related to marketing campaigns.
Regression/ANOVA (probability and statistics) Statistics Essay
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The eight countries that were included in this survey are Australia, New Zealand, Pakistan, Pakistan, India, South Africa,
Qatar Statistics Assignment
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The massive investments in the liquefied gas production capacity and increases in the gas production of the past few years have been the main economic drivers of Qatar’s rapid
Business Decision Making Statistics Assignment
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Low price of food items also encourages people to dine at a restaurant and has also increased the number of restaurants in London. Similarly, the Board of Directors of the restaurant is planning to open a second outlet of the
ASPC & Statistics Statistics Assignment
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Hence, the product weight is almost equal, and the mean lies in between 95%
Project Statistics Statistics Project
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Therefore, the main aim of the study was to analyze the collected data and determine the level of influence of these variables on the price of housing using different model of regression. These five variables were taken to be independent variables but the price of housing was
Stats28 Statistics Essay
6 pages (1500 words)
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The correlation between exam score and amount of time spent on the exam is an example of ____.
The results from a research study indicate that adolescents who watch more violent content
Evaluation of Sample Library Questionnaire Statistics Term Paper
6 pages (1500 words)
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Example Library conducted a user survey using a set of questionnaires that sought to determine the demography as well as the interests of their customers. The researchers have used exploratory questionnaires in their research and therefore the data collected is purely qualitative with no need for statistical evaluation (Pickard, 2007).
Problems with instrumental variables estimation when the correlation between the instruments and the endogenous explanatory variable is weak Statistics Essay
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Baker, on the same topic.
When conducting a research on any issue, variables that influence the main problem must be determined. Different problems have different number of variables. The number of variables is dependent on the scope and the nature of the
Comparison of the Data Predictions & Actual Results Statistics Assignment
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On the contrary, quantitative data deals with the collection of numeric values. Ironically, differences have been also observed pertaining to the predictions about themes and patterns in data to the actual results obtained (Pavitt, 1984).
Assessing non-parametric or t tests Statistics Essay
6 pages (1500 words)
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The independent-samples t-test is used in order to compare the means between two unrelated groups on the same continuous, dependent variable (Statistics.laerd.com, 2014). A t-test is one of the most widely used statistical
Statistics Statistics Assignment
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The effect of income is not clear, given that higher income does not guarantee higher life expectancy and vice versa.
In a nutshell, income slightly influences life expectancy, but might not be as a good predictor due to the