Assessing MSMEs Growth Through Rosca Involvement Using Paired t-Test and One Sample Proportion Test

The Differences and Similarities Between Two-Sample T-Test and Paired T-Test

In clinical research, comparisons of the results from experimental and control groups are often encountered. The two-sample t-test (also called independent samples t-test) and the paired t-test are probably the most widely used tests in statistics for the comparison of mean values between two samples. However, confusion exists with regard to the use of the two test methods, resulting in their i...

Example 1: Assessing the Robustness of the One-Sample t-test

Many scientific computations can be sped up by dividing them into smaller tasks and distributing the computations to multiple systems for simultaneous processing. Such a process is referred to as parallel computing. When performed on existing grids of computers, this method can dramatically decrease computation time. Several solutions exist to facilitate this type of computation within R, and w...

One-Sample Hypothesis Test Examples

The Two Sample T-test with One Variance Unknown

We consider the situation in two sample testing when one variance is assumed to be known while the other variance is considered unknown. This situation arises, for example, when one is interested in comparing a standard treatment with a new treatment. Although this situation occurs relatively infrequently, our example discusses the important tool of moment matching and makes the classic two sam...

Identification and Ranking Green Supplier Selection Criteria Using One-Sample T-Test and FANP Methods: A Case Study for Petrochemical Industry

Increasing global notices in environmental protection, green supply chain management (GSCM) has received much attention by researchers and managers more than the past. Commonly, firms have considered cost criteria to select their suppliers. Despite the fact that there are various papers considering the formal criteria in supplier selection, there is a few limited numbers considering the environ...