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

question 122

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 SSxy?

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

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Definitions:

Macular Degeneration

A medical condition affecting the retina, leading to vision loss, primarily in older adults.

Facial Hair

Hair that grows on the face, typically on areas such as the chin, cheeks, and upper lip, common in males after puberty.

Hirsutism

The growth of excessive or unwanted hair on a woman's body and face, typically following a male pattern of hair distribution.

Arterial Insufficiency

A condition resulting from the inadequate flow of blood through the arteries, often leading to tissue damage due to lack of oxygen and nutrients.