Suppose $x _ { 1 } = - 8 , x _ { 2 } = 6.5 , x _ { 3 } = 7 , y _ { 1 } = 10 , y _ { 2 } = 6.8 , y _ { 3 } = 8.8 , \text { and } y _ { 4 } = 5.1$

question 29

Short Answer

Suppose $x _ { 1 } = - 8 , x _ { 2 } = 6.5 , x _ { 3 } = 7 , y _ { 1 } = 10 , y _ { 2 } = 6.8 , y _ { 3 } = 8.8 , \text { and } y _ { 4 } = 5.1$ Then, the computed value of the Wilcoxon rank-sum test statistic W is w = __________.

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Definitions:

Least Squares Regression

A statistical method used to determine the best-fitting line through a set of data points by minimizing the sum of the squares of the vertical distances of the points from the line.

Correlation Analysis

The statistical technique used to determine the degree to which two or more quantitative variables are related to one another.

Independent Variable

A variable that is manipulated or classified in an experiment or study to observe its effect on the dependent variable.

Dependent Variable

The variable in an experiment or model that is assumed to depend on one or more independent variables.