The Horizontal and Vertical Framing Members of an Aluminum Window

question 35

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The horizontal and vertical framing members of an aluminum window are screw- fastened together through screw splines, produced by the extrusion process. The following sketch shows a typical joinery detail of vertical and horizontal framing members. Using leader lines and labels, identify all screw splines in this sketch.

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are.

Mean

The arithmetic average of a set of numbers, found by dividing the sum of all the numbers by the count of the numbers.

Population Variance

A measure of the dispersion of a set of data points in a population, calculated as the average of the squared deviations from the mean.

Sample Variance

A measure of the dispersion or spread of a set of data points in a sample, illustrating how much the data differ from the mean.