Nowadays, gas shielded metal arc welding (GSMAW) is widely used in various constructions. such as steel structures, bridges, autos, motorcycles, construction machinery, ships, offshore. structures, pressure vessels, and pipelines due to high welding efficiency.
A confidence interval is a range around a measurement that conveys how precise the measurement is. For most chronic disease and injury programs, the measurement in question is a proportion or a rate (the percent of New Yorkers who exercise regularly or the lung cancer incidence rate).
The definition of confidence is trust, faith, self-assurance or something told in secret. 1  An example of confidence is the belief that the sun will rise tomorrow morning. 2  An example of confidence is a student feeling positive and prepared for a test they are about to take.