Use the Given Data to Find the Best Predicted Value $( \mathrm { x } )$

question 89

Multiple Choice

Use the given data to find the best predicted value of the response variable.
-Based on the data from six students, the regression equation relating number of hours of preparation $( \mathrm { x } )$ and test score $( \mathrm { y } )$ is $\hat { \mathrm { y } } = 67.3 + 1.07 \mathrm { x }$ . The same data yield $\mathrm { r } = 0.224$ and $\overline { \mathrm { y } } = 75.2$ . What is the best predicted test score for a student who spent 5 hours preparing for the test?

• A) 72.7
• B) 78.1
• C) 59.7
• D) 75.2

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Definitions:

Learning Points

Specific pieces of knowledge or understanding gained through education or experience, often used as building blocks in the learning process.

Training Budgets

Allocated financial resources dedicated to the development and enhancement of employees' skills, knowledge, and abilities through various forms of training.

Vestibule Training

A training method where employees are taught on equipment they will use in the job but in a simulated work environment, often used for complex or dangerous jobs.

Distributed Practice

A learning strategy that involves spreading out study sessions over time rather than cramming them into a short period.