Examlex
A local company makes a candy that is supposed to weigh 1.00 ounces.A random sample of 25 pieces of candy produces a mean of 0.996 ounces with a standard deviation of 0.004 ounces.How many pieces of candy must we sample if we want to be 99 percent confident that the sample mean is within 0.001 ounces of the true mean?
Volatility
Volatility refers to the degree of variation of a trading price series over time, typically measured by the standard deviation of returns.
Section Modulus
A geometric property of a cross section, relevant in the design and analysis of beams, that reflects its capacity to resist bending.
Tensile Strength
The highest stress that a material can withstand without separating; expressed in psi. In steels, tensile strength typically exceeds yield strength by about 10 percent.
Weld Profile
The shape, dimensions, and surface contour of a weld bead, which affects the quality and strength of the welded joint.
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