Assuming a Linear Relationship Between X and Y,if the Coefficient

question 7

Multiple Choice

Assuming a linear relationship between X and Y,if the coefficient of correlation (r) equals -0.75,this means that:

• A) there is very weak correlation.
• B) the slope b₁ is = -0.75.
• C) the value of X is always greater than the value of Y.
• D) None of these choices are true.

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Definitions:

Pareto Diagram

A graphical tool that represents data in a bar chart, showcasing the values in descending order to identify the most significant factors.

Quality Control

The process of ensuring that products and services meet customer expectations and complying with specific standards.

Bar Charts

Graphical representations using bars of varying lengths to show comparisons among categories.

Causes

Factors or conditions that directly bring about an effect or change in another variable or event.