The Following 10 Observations of Variables X and Y Were

question 99

Essay

The following 10 observations of variables x and y were collected. $$\begin{array} { | c | c c c c c c c c c c | } \hline \boldsymbol { x } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & \mathbf { 8 } & 9 & 10 \\\hline y & 25 & 22 & 21 & 19 & 14 & 15 & 12 & 10 & 6 & 2 \\\hline\end{array}$$
a.Calculate the standard error of estimate.
b.Test to determine if there is enough evidence at the 5% significance level to indicate that x and y are negatively linearly related.
c.Calculate the coefficient of correlation, and describe what this statistic tells you about the regression line.

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Definitions:

Dependent Variables

In research, these are variables that are expected to change as a result of changes in the independent variables.

Independent Variable

The variable in an experimental setting that is manipulated to observe its effect on a dependent variable.

Marketing Action

Specific tasks undertaken by a company to promote and sell its products or services to its target market.

Environmental Force

External factors such as political, economic, social, technological, legal, and environmental influences that can affect an organization's success.