by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is Standard Error?In statistics, the standard error refers to the deviation of a sample mean from the actual meaning of a particular population. When there is a diffusion of sample means around the actual mean of a population, standard error has occurred. In a...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is Sampling Error?A sampling error is a form of error that occurs when a sample or subset that does not represent a whole is used to represent a whole. In population analysis for instance, a sampling error is a statistical error that occurs when a sample is...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a T Distribution?The T distribution, also known as Students t-distribution, is a probability distribution that is used to estimate population parameters in small-sized samples as well as samples with an unknown population variance. The T distribution shares a...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is Correlation?In finance and investments, correlation is a statistical measure that calculates the degree to which two equities or securities move in relation to one and the other. This measurement is very useful in portfolio management, and it is calculated as...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a Sampling Distribution?A sampling distribution refers to a probability distribution that reflects that statistical results obtained from samples from a population can have different outcomes. This type of probability distribution is the distribution of a...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a Tree Diagram?A tree diagram is a tool (especially a graphical representation) which is utilized in strategic decision making, market valuation, and for calculating probability. This diagram starts at a single point, with branches moving to create extra...
