Given the Following Sample Data A Calculate the Covariance and the Correlation Coefficient

question 42

Essay

Given the following sample data: $$\begin{array} { | c | c | c | c | c | c | c | c | c | c | c | } \hline x & 420 & 610 & 625 & 500 & 400 & 450 & 550 & 650 & 480 & 565 \\\hline y & 2.80 & 3.60 & 3.75 & 3.00 & 2.50 & 2.70 & 3.50 & 3.90 & 2.95 & 3.30 \\\hline\end{array}$$ a. calculate the covariance and the correlation coefficient.
b. comment on the relationship between X and Y.
c. determine the least-squares line.
d. draw the scatter diagram and plot the least-squares line.

---

Definitions:

Strategic Initiatives

Key projects or plans undertaken by an organization to support and achieve its long-term goals and objectives.

Performance Metrics

Key indicators used to evaluate the success or efficiency of an activity or organization in achieving its objectives.

Strategic Objectives

Specific, measurable goals established by an organization to achieve its long-term aspirations and mission.

Performance Targets

Specific goals set for an individual or team to achieve within a set timeframe, used to gauge performance.