If X and Y Are ____________________,The Variance of Their Sum

question 94

Short Answer

If X and Y are ____________________,the variance of their sum is equal to the sum of their variances.

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Definitions:

Tensile Strength

The maximum amount of tensile stress that a material can withstand before failure, an essential parameter in material selection and engineering design.

Hardness

A measure of a material's resistance to deformation, often assessed by indentation.

Chromium

A chemical element with symbol Cr, known for its hardness, high corrosion resistance, and ability to be polished to a high shine, often used in plating.

SAE

Society of Automotive Engineers, an international organization that sets standards for engineering professionals in various industries.