A Data Set with 7 Observed Pairs of Data (X $$\sum X$$

question 173

Multiple Choice

A data set with 7 observed pairs of data (x, y) yielded the following statistics. $$\sum X$$ =21.57 $$\sum X ^ { 2 }$$ =68.31 $$\sum Y$$ =188.9 $$\sum Y ^ { 2 }$$ =5140.23 $$\sum X Y$$ =590.83
SSE = unexplained variation = 1.06
-What is the value of SSxx?

• A)7.368
• B)8.748
• C)1.844
• D)4.745
• E)5.140

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Definitions:

Optimising Decision

Chooses the alternative giving the absolute best solution to a problem.

Absolute Best Solution

The optimal resolution to a problem or challenge, surpassing all other alternatives in effectiveness.

Minority Domination

A situation in which a smaller or less powerful group controls or influences a majority or more powerful group.

Group Decision Making

A process where multiple individuals come together to analyze problems or situations, evaluate options, and decide on a course of action collectively.