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Gibson appliance advertisement, 1948. Gibson was founded by Joshua Hall in Belding, Michigan, in 1877 as the Belding-Hall Company selling cabinets that housed blocks of ice ().
A combo washer dryer (also known more simply as a washer-dryer in the UK) is a combination in a single cabinet of a washing machine and a clothes dryer. It should not be confused with a "stackable" combination of a separate washing machine and a separate clothes dryer. The main advantage of washer dryer combination units is their compactness.
Reliability index is an attempt to quantitatively assess the reliability of a system using a single numerical value. [1] The set of reliability indices varies depending on the field of engineering, multiple different indices may be used to characterize a single system.
The item-reliability index (IRI) is defined as the product of the point-biserial item-total correlation and the item standard deviation. In classical test theory , the IRI indexes the degree to which an item contributes true score variance to the exam observed score variance.
The System Average Interruption Frequency Index (SAIFI) is commonly used as a reliability index by electric power utilities. This index measures the average number of times that a system customer experiences an outage during the year or during a given time period. [1] SAIFI is normally calculated on either yearly or monthly basis.
The first-order reliability method, (FORM), is a semi-probabilistic reliability analysis method devised to evaluate the reliability of a system. The accuracy of the method can be improved by averaging over many samples, which is known as Line Sampling .
Fleiss' kappa is a generalisation of Scott's pi statistic, [2] a statistical measure of inter-rater reliability. [3] It is also related to Cohen's kappa statistic and Youden's J statistic which may be more appropriate in certain instances. [4]
AEG (German company), Allgemeine Elektricitäts-Gesellschaft ("General Electricity Company"), former German electrical manufacturer AEG (brand), licensed by Electrolux to several companies for a variety of products; Anschutz Entertainment Group, an American entertainment company