Business Statistics

Sampling in Statistics is a process, which used in statistical analysis in a predetermined number of observations are taken from a larger population. It is…

Statistical Inference means drawing conclusions based on data. There are many contexts in which inference is desirable, and there are many approaches to performing inference.…

Statistical Hypothesis Testing refers to the formal procedures used by statisticians to accept or reject statistical hypotheses. It is used to determine whether there is…

Survey Sampling is important to have a group of people who will participate in the survey and be able to represent the whole target population.…

Robust Parameter Design is very similar to fractional factorial designs (FFDs) in that the optimal design can be found using Hadamard matrices, principles of effect…

In a Randomized Block Design, the experimenter divides subjects into subgroups called blocks, such that the variability within blocks is less than the variability between…

Quasi Experiment is a study in which the researcher manipulates the level of some independent variable and then measures the outcome. In a quasi-experiment, the…

Grey Box Model is specify the mathematical structure of the model explicitly, including couplings between parameters. It is useful when know the relationships between variables,…

Design of Experiments (DOE) is used to find cause-and-effect relationships. It is a systematic method to determine the relationship between factors affecting a process and…

Research Design is to ensure that the evidence obtained enable to effectively address the research problem logically and as unambiguously as possible. The design of…

Reproducibility is tested by a replication study, which must be completely independent and generate identical findings known as commensurate results. It is one of the…

Coefficient of Variation represents the ratio of the standard deviation to the mean, and it is a useful statistic for comparing the degree of variation…