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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A college administers for all its courses a student evaluation questionnaire.For a random sample 12 courses the accompanying table shows both the average student ratings of the instructor (on a scale from 1 to 5),and the average expected grades of the students (on a scale from 0 to 4).
-Calculate the covariance between instructor ratings and expected grades.
Logic Circuit
An electronic circuit that uses logic gates to control the flow of electrical signals based on a set of rules.
Interpretation
The action of explaining the meaning of something or presenting one's conception of an idea, work, or phenomenon.
Truth Value
A characteristic determining the veracity of a statement or proposition as either true or false.
Logic of Statements
The study of principles and criteria of valid inference and demonstration, focusing on the form and structure of arguments.
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Q222: Calculate the unbiased estimate of error variance.