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Stratified vs. Cluster Sampling

Cluster vs Strata:A cluster is a group of objects that are similar in some way. For example, a cluster of people who have similar interests, hobbies, or occupations. Strata is a term used in geology to describe layers of sedimentary rocks that have been deposited over time. Stratification is the separation of layers in sedimentary rocks.Cluster […]

Difference Between Risk and Hazard

Hazard is any undesirable condition that may cause damage to people, property, or the environment. Risk is the probability that an undesirable event will occur. It is often defined as the likelihood of a negative outcome and its consequences. Risk means the possibility that an event might occur. It does not mean that the event has […]

Difference Between Audit Independence and Objectivity

Audit Independence:Audit independence refers to the ability of an audit team to perform an independent assessment without interference from management. It is achieved by having the right people on the audit team and by ensuring that they are free from any influence from management. Audit independence means that an auditor has no stake in the business […]

Histogram vs. Bar Chart

A histogram is a graphical representation of data. It shows the distribution of values within a set of data. The bars represent the number of observations at each value. Bar charts are similar to histograms but instead of showing the frequency of observations, they show the probability of a discrete observation occurring. Histograms and Bar charts are […]

Statutory vs. Regulatory Requirements

What is the difference between Statutory Requirements and Regulatory Requirements?The term “statutory and regulatory requirements” appear in ISO 9001:2015 for 12 times. These two requirements together are also called as the legal requirements. However, the question here is: “What is the difference between statutory and regulatory requirements?”. The difference between statutory and regulatory requirements is a subtle […]

PDCA vs. PDSA

What is the difference between PDCA and PDSA?The concept of PDCA is based on the scientific method. It was popularized by W. Edwards Deming. He later changed it to PDSA and called it Shewhart Cycle. Both PDCA cycle (Plan, Do, Check, Act) and PDSA cycle (Plan, Do, Study, Act) are the iterative problem solving and continuous […]

Defect vs. Defective

What is the difference between defect and defective?Defect means not meeting a specific requirement or the specification, or failing to achieve a specific customer/client CTQ. A product could have multiple defects. Some of these defects might not even be noticeable by the client. These defects do not functionally affect the performance of the product, still […]

Chi-Square Test vs. F Test

What is the difference between Chi-square test and F Test?Purpose:These two statistical procedures are used for different purposes.The chi-square test is used when you want to know whether there is a statistical difference between two categorical variables (e.g., gender and preferred car color).The F test, on the other hand, is used when you want to […]

Audit Finding vs. Non Conformance

What is the Difference Between an Audit Finding and a Nonconformance? What is an audit?A quality audit is a systematic examination of the processes and procedures in place at a company to ensure that they are all operating as expected.Quality audits are an integral part of any business. They help in identifying areas that need improvement […]

Accuracy vs. Precision

What is the difference between accuracy and precision?Accuracy refers to the closeness between measurements and their expected or true value (The farther a measurement is from its expected or the true value, the less accurate it is.) Precision pertains to the closeness of measurements to one another.Statistical scheme of accuracy and precision on targetOne way that […]

Six Sigma vs. Lean

What is the difference between Lean and Six Sigma? Lean and Six Sigma are two different frameworks that can be used to improve the effectiveness of a given process. Lean is focused on customer value and waste reduction, while Six Sigma focuses on variation reduction and statistical analysis.LeanSix SigmaFocus is on:Waste reductionVariation reductionLeads to:Cycle time […]

Checklist vs. Check Sheet

What is the difference between a Checklist and a Check Sheet?Check SheetThe check sheet is a form (document) used to collect data in real time at the location where the data is generated. The data it captures can be quantitative or qualitative. When the information is quantitative, the check sheet is sometimes called a tally […]

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