A Researcher Was Interested in Whether College GPA (X)would Predict

question 43

Essay

A researcher was interested in whether college GPA (X)would predict starting salary after college (Y).(For simplicity,salary was converted to a 100-point scale.)The participants' scores were: a.Figure the linear prediction rule.
b.Make a graph with the regression line.
c.Figure the standardized regression coefficient.
d.Explain the logic of what you did to someone who is familiar with correlation,but who knows nothing about prediction.Be sure your answer explains the ideas of prediction,linear prediction rule,best linear prediction rule,the regression line,and the standardized regression coefficient.
e.Advanced topic: Figure the proportionate reduction in error using sums of squared errors.
f.Advanced topic: Explain the logic behind how you figured the proportionate reduction in error.

---

Definitions:

Rigidity

The lack of flexibility or adaptability in processes, systems, or organizations that can hinder responsiveness and innovation.

Flexibility

The ability of a system, process, or entity to adapt to changes or demands without significant detriment or loss of functionality.

Consolidate Manufacturing

The process of centralizing or combining the production operations and facilities to improve efficiency and reduce costs.

Flexible Technology

Systems or equipment that can easily adapt to changes in production volume, design, or process, enhancing a company's ability to respond to market changes.