Use the Given Data to Find the Best Predicted Value $( x )$

question 95

Multiple Choice

Use the given data to find the best predicted value of the response variable.
-The regression equation relating attitude rating $( x )$ and job performance rating $( y )$ for the employees of a company is $\hat { y } = 11.7 + 1.02 x$ . Ten pairs of data were used to obtain the equation. The same data yield $\mathrm { r } = 0.863$ and $\overline { \mathrm { y } } = 80.1$ . What is the best predicted job performance rating for a person whose attitude rating is $56 ?$

• A) 68.8
• B) 67.9
• C) 80.1
• D) 12.6

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Definitions:

Mill Skills

The abilities and knowledge required to operate machinery in mills that process materials such as textiles, lumber, or metals.

Lowell "Mill Girl"

A female textile worker at the Lowell mills in Massachusetts during the Industrial Revolution, often young and unmarried, who lived in company-run boardinghouses.

Personal Lives

Aspects of an individual's life that are personal and private, relating to their family, home, and personal relationships.

Social Class

A division of a society based on social and economic status, affecting people's lifestyles, education, and occupational opportunities.