Mathematics Essay Examples

1. What Do You Mean by Mean? a) The mean of the salaries is calculated by adding up each individual salary and dividing it by the seven employees. The mean of the seven salaries is $43,814.29. The mean compares to the individual salaries because it shows the average of all the salaries together. The employees […]

All statistical procedures have underlying assumptions, some more stringent than others. In some cases, violation of these assumptions will not change substantive research conclusions. In other cases, violation of assumptions will undermine meaningful research. Establishing that one’s data meet the assumptions of the procedure one is using in an expected component of all quantitatively based […]

The study groups in this experiment were formed independently based on gender, with no intention of matching subjects on any variable. The chosen men and women had no relationship or lived in the same location. The mental health variable exhibits a gender difference, with the variable t= -3.15 signifying its significance. The p value of […]

Do you think women are choosing to have children unmarried? In some instances that is true, but most of the time it is a mistake. Today one in three children are born to an unmarried mother. Researchers like Kathryn Edin and Maria Kefalas took a bold step and wrote an article that gives the different […]

Don Capita, the owner of Carpita Bottling Company in Lakeland, Wisconsin, received a phone call from the J.R. Summers grocery manager regarding the recently shipment. She requested Carpita Company to replace the entire of shipment because there were several bottles that weren’t qualified the fill level of 16-ounces. Therefore, Don decided to take a sample […]

Briefly discuss the two momentum strategies of Numeric Investors. First approach – Numeric Investors applies a strategy based on past changes in analysts’ estimates. They cluster the forecasts of company earnings and revise their earnings estimates incrementally, rather than making significant jumps. This approach prompts analysts to update their estimates and causes consensus estimates to […]

“In probability and statistics, Student’s t-distribution (or simply the t-distribution) is a continuous probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small” (Narasimhan , 1996). Similar to the normal distribution, the t-distribution is symmetric and bell-shaped, but has heavier tails, meaning that it […]

The title of our investigation is ‘Shoe Size Vs. Height Based on Twenty Samples’. As you can interpret from this title, we will try to investigate if there is any correlation between shoe sizes versus height. We have chosen to investigate into this topic to see if these two quantitative variables roughly have a straight-line […]

The document provides information on exports and imports for the year 2008-09, categorized based on the Harmonised Commodity Description and Coding System (HS code). The data in this report is obtained from the National Board of Revenue (NBR), which consolidates data from different customs stations. This report consists of two volumes: Volume-I includes five tables […]

Chapter 2: Review of Related Studies and Literature Every ongoing research project must establish a connection with previous work to ensure its overall relevance and objectives. The literature review serves as a connection between the proposed research and existing studies. The descriptive method of study aims to provide a description of the data and characteristics […]

Also, tests of reliability are higher for whole-test vs. half-test applications of the formula, which means that lengthier tests work better with this instrument. The split-half form of measuring reliability entails creating two halves in the same test that can be compared in the same manner as the parallel form of reliability testing uses. This […]

Descriptive Research Methods (Ch. 12) Case Studies: The importance of case studies is highlighted in the article, which focuses on a thorough examination of one or a few individuals or events. The uniqueness of each case, as seen in “Three Faces of Eve” and “Mind of a Mnemonist,” adds to the fascinating quality of these […]

Introduction Research question: ‘What role does bilingualism play in educational development? Hypothesis: In my opinion bilingualism plays a major role in the educational development of children. This is because research has shown that children who are fluent in their home language are more successful in learning a second language. Furthermore, being bilingual offers greater sensitivity […]

TQM – The Deming Way (TVS Motors) About W. E. DEMING: William Edwards Deming was an American statistician, professor, author, lecturer, and consultant. In Japan, from 1950 onward, he educated top management on enhancing design (and consequently service), product quality, testing, and sales (particularly through global markets) by utilizing various techniques, such as statistical methods. […]

Statistics is the science of collecting, organizing, analyzing, interpreting, and presenting data. TRUE Inferential statistics refers to generalizing from a sample to a population, estimating unknown parameters, drawing conclusions, and making decisions. TRUE Descriptive statistics refers to summarizing data rather than generalizing about the population. FALSE Estimating parameters and testing hypotheses are important aspects of […]

Kimberly Young created the Internet Addiction Test (IAT) which measures various levels of internet addiction and its societal effects with a 20-question questionnaire. The International Development Research Centre (IDRC) also developed a questionnaire to evaluate the behavioral, psychological, and physical impacts of the internet on Intermediate students. Additionally, in partnership with Miss Sunanda Jati from […]

The question is, are wages dependent on the gender, occupation, industry, years of education, race, years of work experience, marital status, and union membership. We will use the technique of linear regression and correlation. Regression analysis in this case should predict the value of the dependent variable (annual wages), using independent variables (gender, occupation, industry, […]

Economic and business time series analysis is a major field of research and application. This analysis method has been used for economic forecasting, sales forecasting, stock market analysis and company internal control. In this paper, we will talk about time series and review techniques that are useful for analyzing time series data. Definition of Time […]

Problem Statement The objective is to evaluate the Sustainable Development (SD) Performance in Mauritius, focusing on whether the country demonstrates weak or strong sustainability. This uncertainty arises from the rapid growth of industries such as Business Process Outsourcing, leading to more construction and industrial development, as well as increased utilization of IT equipment. These activities […]

Group Assignment 1 Soft Drink Case Study Economics 3315: Managerial Economics Case 1: Soft Drink Case Study A study on soft drink consumption across the 48 contiguous states in the United States was conducted. The attached dataset describes the consumption across the US. There are 48 elements which are the states and 4 variables which […]

Throughout human history the spirit of competition has been a large part of human society and lifestyle. The whole point of competition is for there to be a clear winner that asserts themselves above the rest, however it is not always the case that a clear winner can be defined. When this occurs the use […]

For each number, determine the type of inference, state the assumptions, and answer the questions. A random survey of 57 students was conducted to compare Juniors and seniors employment status. Seven out of 18 Juniors held a Job while 16 out of 39 seniors held a Job. Find and interpret a 98% confidence interval. Is […]