Examlex
When using the confidence interval approach to sample size determination,in some cases,precision is specified in relative rather than absolute terms.In other words,it may be specified that the estimate be within plus or minus R percentage points of the mean.
Proportional
A relationship between two quantities where a change in one results in a corresponding change in the other, often depicted mathematically by a constant ratio.
Compass Needle
A magnetized pointer free to align itself with Earth's magnetic field, used for navigation.
Permanent Magnets
Magnets that do not require an external force to maintain their magnetic properties.
Field
In the context of electromagnetism, it refers to the region around a charged particle or object within which a force would be exerted on other charges or magnetic materials.
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