Statistics Essay Examples and Topics. Page 2

331 samples

Using Confidence Intervals in Medical Sciences

For example, when developing drugs in market quantities, it is critical to use the exact value of the active agent, and using a 99% confidence interval creates a requirement of near-analytical accuracy for calculating the [...]
  • Pages: 2
  • Words: 547

Confidence Limits and Hypothesis Testing

Hence, confidence intervals and confidence limits, in particular, are used to estimate sampling parameters, while hypothesis testing is a method that shows whether the hypothesis is reliable or not.
  • Pages: 2
  • Words: 632

Testing New Invention: Blender Switch

The purpose of the analysis will be to determine if the proportion of returned blenders with new switches were deferent from the proportion of blenders with old switches.
  • Pages: 3
  • Words: 419

Leveraging the Military Mindset Into Business

With YSG's culture of hiring veterans and relatives to the veterans, this is an indicator that the company is benefiting from the military mindset in its business. The company has a significant number of employees [...]
  • Pages: 3
  • Words: 603

The Data Measurement Types

There are several data measurement scales which include the nominal, and their main purpose is labeling different variables with the absence of quantitative importance. The scales like the mean and mode of different statistical samples.
  • Pages: 1
  • Words: 279

Discussion of Methods of Collection

They choose a sample instead; the sample is a set of people who are indeed involved in the study. Data gathering is the methodical way to collect and measure information from various sources to provide [...]
  • Pages: 2
  • Words: 584

Lab Report: Empirical Sampling Method

The height of all the students I measure ranges within the mean. The mean is the average of the number of people's height divided by the number.
  • Pages: 3
  • Words: 960

Aspects of a Statistical Report

To choose the participants of the study, the sampling method was used to represent the entire population. In the study, as shown in below, the empirical rule, the lowest numbers for 68%, 95%, and 99.
  • Pages: 3
  • Words: 408

Male Employment in Canada 1977 to 2017

Although there is a clear distinction in the levels of employment between these two groups, the margin of difference is relatively smaller compared to the first two groups in the chart.
  • Pages: 2
  • Words: 581

Coronavirus Disease 2019: Statistical Analysis

From the data analysis, the statistical mean and the sample standard deviation were found to be 65. From the study, the probability of participants being shorter than 64 inches was 0.
  • Pages: 1
  • Words: 363

Male Average Income in Canada, 1999-2019

The purpose of this chart is, therefore, to find out how the various groupings compare to each other in terms of income levels and the impact of time on average income. At the top of [...]
  • Pages: 2
  • Words: 611

Multiple Logistic Regression in Action

The data have met this assumption for age category, sex, obesity, and hypertension are on nominal scale while cholesterol level and age are on a continuous scale.
  • Pages: 3
  • Words: 881

The Importance of Calculus and Statistics

The reason why I found his statements so confusing is because he seemed to overinflate the importance of statistics while ignoring the reasons why most of us do not need calculus.
  • Pages: 1
  • Words: 349

Building a Cox Proportional Hazards Model

In the given dataset, the censoring variable will be stroke, because the cases will be censored according to it; the cases will be right-censored if stroke=0, i.e.for those patients who did not have a stroke [...]
  • Pages: 3
  • Words: 909

Decision Making with Supportive Processes

With the controlled effect of gender, partial correlation analysis indicates that anxiety and exam performance have a statistically significant negative relationship.
  • Pages: 3
  • Words: 692

One-Sample T-Test Applications and Limitations

In general terms, the one-sample t-test can be defined as a procedure that allows researchers to make a statistical assessment about the level or degree of divergence between the sample mean and the national average [...]
  • Pages: 2
  • Words: 589

Understanding Public Opinion

The feeling and views of the selected people are assumed to be the views of all the people who belong to that group.
  • Pages: 4
  • Words: 1312

Player Performance Metrics in National Football League

One of the key business issues in regards to the selected sport is the evaluation of player performance metrics, which is especially critical in regards to quarterbacks, who are responsible for scoring touchdowns.
  • Pages: 7
  • Words: 1356

Minitab Tools for Statistical Analysis

The mean value in this data set shows the average value of the response, while the median is the middle value within the response if they are arranged in sequence.
  • Pages: 3
  • Words: 688

Regression Analysis of Home Prices

One of the variables that are important in determining the home price is the economic indicators. The other variable that will determine the price of a home is the neighborhood.
  • Pages: 4
  • Words: 1285

Three Key Conditions for Robust ML Solutions

Referring to the source makes it clear that in his article Southekal referred only to the data that were most relevant in the context of the topic: the report provides additional statistical information.
  • Pages: 1
  • Words: 394

Statistics for Nursing Research

5 years shows that the age values of the 10 patients are not skewed towards one end given that the minimum age is 35 years and the maximum age is 86 years.
  • Pages: 2
  • Words: 667

Local Talent vs. Expat Talent in UAE Private Sector

Table 2 indicates that cultural factors have a moderate positive correlation with the business sense to employ Emiratis, a very strong positive correlation with the provision of productive job opportunities, and a strong positive correlation [...]
  • Pages: 10
  • Words: 3892

Using Minitab Descriptive Statistics

It is apparent that Minitab provides a variety of information, including the possible reporting measures of central tendency, the indication of skewness, "tailedness" or the "degree of concentration of frequencies in a given distribution", and [...]
  • Pages: 2
  • Words: 589

Non-Parametric and Parametric Tests

The investigator needs to take into account the specifics of the data that they have and the data that the test is fit for and use appropriate variants that are quite numerous nowadays. A PT [...]
  • Pages: 2
  • Words: 655

SAAM (Simulation, Analysis, and Modeling) Model

After designing the models, the user can solve the samples before fitting them to the data with the help of special mathematical and statistical methods. Thereafter, the user is required to describe the attributes of [...]
  • Pages: 8
  • Words: 2214

Statistics: Data and Business Decision-Making

This paper aims to find out the type of customers who patronize the business in terms of gross annual income, gender, marital status, family status, employment status, and distance from the store. Different customers see [...]
  • Pages: 10
  • Words: 2766

Statistical and Probability Analysis of Staff

The implementation of statistical analysis, in this case, takes the form of determining to what extent specific employee training programs can derive the greatest amount of performance from employees while determining the necessary cost of [...]
  • Pages: 4
  • Words: 1097

Child Demographic Census and Changes in the US

Whites comprise of the highest percentage yet have negligible increase in the population in relation to non-whites and the minority groups. However, the number of children accessing the early childhood education and care is high [...]
  • Pages: 7
  • Words: 1961

Calculating the Probability of Simple Event

Table 1: The amount of time I spend cooking meals each day From the data, the longest time was spent cooking on days when I had three meals in the house on days 1 and [...]
  • Pages: 2
  • Words: 566

Hypothesis Testing and Type Errors

The primary goal of the first part is to conduct the sufficient regression analysis to determine the interdependence and relationship between the variables.
  • Pages: 3
  • Words: 828

Daily Low Temperatures Across the Three Cities

Are there any differences in the daily low temperatures across the three cities? H0: ltNY = ltLA = ltCH Alternative hypothesis: There is a difference in the daily low temperatures across the three cities.
  • Pages: 8
  • Words: 1652

Uses of Statistical Information

High school and seeks to explain how it is used, the four levels of measurements and their use in the school, examples of descriptive and inferential statistics, and finally the advantages associated with accurate interpretation [...]
  • Pages: 2
  • Words: 728

Statistics: Elements, Variables and Observations

Large values of the variance denote large dispersions, which implies the mean of the data set is not a good representation of the observed data. It also shows there is even dispersion from the mean [...]
  • Pages: 2
  • Words: 582

Regression and ANOVA Methods: Theory and Examples

The net effects of the programme under evaluation can be assessed using regression analysis, by attributing part of the changes observed to explanatory variables, while the remaining effects are attributed to the programme.
  • Pages: 4
  • Words: 1422

Characterstic And Current Systems ICD-9-CM

The main features of the Cimino & Campbell et al are: It should be multipurpose-The vocabulary should be multipurpose i.e.it should be able to take care of the many purpose for which it may be [...]
  • Pages: 7
  • Words: 2284

Descriptive and Spatial Descriptive Statistics

Lastly, there are numerous studies such as the one by Phillipson and Erdbrink that demonstrate the capacity of spatial probability in improving the cost-efficiency of cellular networks for mobile operators by analyzing the spatial traffic.
  • Pages: 3
  • Words: 837

Statistical Inference and Sample Size

It is important to remember that achieving a 100% guarantee that the study results are characteristic of the general population is possible only when continuous research is conducted.
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  • Words: 397

Chi-Square – Test to Evaluate an Intervention

In order to perform the calculations, the information was organized in the form of a table suitable for chi-square analysis. Dataset In order to answer the research question, the goodness of fit chi-square test was [...]
  • Pages: 3
  • Words: 800

Management Statistics: Student Commute Time

The present report aims at analyzing factors that affect the commuting time of students to the university. Descriptive statistics of time to the university by gender.
  • Pages: 4
  • Words: 893

Working With Inferential Statistics

The number of injuries is a dependent variable that meets the assumptions of scale and homogeneity of variance, but it violates the lack of significant outliers and the normality of distribution.
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  • Words: 504

Working With Descriptive Statistics

In the current paper, a set of descriptive statistics on the sample of blood sugar counts of male and female patients will be closely explored.
  • Pages: 2
  • Words: 538

ANCOVA and Factorial ANOVA: A Case Study

A factorial ANOVA was conducted to compare the main effects of classroom size and gender and the interaction effect between classroom size and gender on math scores. Therefore, classroom size and gender have a significant [...]
  • Pages: 3
  • Words: 1606

Review of Basic Statistics: The Effect of Color on Emotions

Age of customers The color of gift wrappers Emotional impression Emotional rating H0: The color of gift wrappers and customers' emotional impression do not have a statistically significant association. H1: The color of gift wrappers [...]
  • Pages: 4
  • Words: 1207

Power Analysis: Effective Sample Size

It is commonly used to determine the appropriate sample size that is necessary to detect the effect of given research at the desired level of significance.
  • Pages: 3
  • Words: 831

Serbian Teachers’ Attitudes Towards Inclusion

The purpose of the study consists in the attitude of mainstream teachers towards the inclusion of children with disabilities. The study deals with the inclusion of students with diverse abilities in a normal classroom Correlational [...]
  • Pages: 3
  • Words: 853

GSS Dataset Analysis Using SPSS

It includes the statistical assumptions of the test, SPSS syntax and output including the mean, median, mode, range, minimum, maximum and standard deviation of the two variables, and a chart describing that data.
  • Pages: 3
  • Words: 775

Postharvest Biology and Technology

Whereas one-way variance analysis is used in measurement of the significance of the effects of a single factor, two way variance analyses facilitates measurement of the effects of two factors/variables simultaneously.
  • Pages: 5
  • Words: 1384

The Le Petit Firm: Plan of Action

For example, if the study as in this case is about customer needs and perception with regard to a bar and restaurant business, it is possible to ask people from the population about this.
  • Pages: 10
  • Words: 3352

Statistics: Definition, Types, Risks

For instance, if there is statistical research and data pertaining to the foods which aggravate diabetes, it has the potential of influencing a great many lives.
  • Pages: 4
  • Words: 1178

Simpson’s Paradox and Data Interpretation

Another purpose of this work is to consider the possible implementation of the Simpson's Paradox to the events that took place at Nuclear Tests Sites in Nevada, and namely the events that happened to the [...]
  • Pages: 4
  • Words: 1250

Statistical Process Control in Educational Settings

The theory of constraints overcame the difficulty leading to the beginning of the improvement process. Statistical Process Control also determined the control limits through the utilization of all the models in the control set and [...]
  • Pages: 3
  • Words: 840