by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is the Likert Scale?Named after its inventor, Rensis Likert, the Likert scale is a tool used by researchers in questionnaires to determine responses by rating some items. It is commonly used interchangeably with the rating scale though there are other types of...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a Linear Regression?This is known in statistics as a linear approach to a scalar response’s relationship with a single or multiple explanatory variables. Where one variable is involved, this approach is known as a simple linear regression and referred to...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is the Kruskal Wallis Test?The KruskalWallis test refers to a rank-based nonparametric test that is used in statistical research or calculations to determine existing differences in the statistical differences between groups of independent variables on dependent...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is Kurtosis?This is a statistical procedure used in reporting the distribution. Unlike skewness which differentiates extreme values between one tail and another, kurtosis computes the absolute values in each tail. Large kurtosis is present in the distributions...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a Confidence Interval?A confidence interval shows a range of values within which an unknown population parameter lies. Loosely speaking, it shows the confidence that one has that a given population parameter lies within a given range. For instance, one can...
by TheBusinessProfessor | Feb 23, 2025 | Research, Quantitative Analysis, & Decision Science
What is a Chi-Square (C2) Distribution?In probability theory and statistics, the Chi-squared distribution also referred as chi-square or X2-distribution, with k degrees of freedom, is the distribution of a sum of squares of k independent standard regular normal...