Calculate Each Value Requested for the Following Set of Scores $$\begin{array} { r c } \mathrm { X } & \mathrm { Y } \\1 & 5 \\3 & 1 \\0 & - 2 \\2 & - 4\end{array}$$

question 75

Short Answer

Calculate each value requested for the following set of scores: $$\begin{array} { r c } \mathrm { X } & \mathrm { Y } \\1 & 5 \\3 & 1 \\0 & - 2 \\2 & - 4\end{array}$$
a. ΣX
b. ΣY
c. ΣXΣY
d. ΣXY

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Definitions:

Hexagon

A polygon with six edges and six vertices, often seen in tools, nuts, and bolts due to its efficient load distribution and ease of wrenching.

Spotface

A localized, flat surface machined on a part, typically around a hole, providing a seating surface for a fastener or bearing.

Bushings

Mechanical components used to reduce friction between rotating shafts and stationary support members, often serving as a replaceable lining.

Metric Thread

A standardized thread type used internationally, characterized by its metric dimensions, commonly used in bolts, screws, and nuts.