A Manager at a Local Bank Analyzed the Relationship Between

question 92

Multiple Choice

A manager at a local bank analyzed the relationship between monthly salary (y, in $) and length of service (x, measured in months) for 30 employees. She estimates the model: Salary = β₀ + β₁ Service + ε. The following ANOVA table summarizes a portion of the regression results. How much of the variation in Salary is unexplained by the sample regression equation?

• A) 1%
• B) 2%
• C) 18.39%
• D) 77.94%

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Definitions:

Clever Hans

A famous case study in early 20th century psychology of a horse that was claimed to have been able to perform arithmetic and other intellectual tasks.

Arithmetic

A branch of mathematics dealing with the properties and manipulation of numbers, including operations such as addition, subtraction, multiplication, and division.

Selective Attrition

The process where certain kinds of participants drop out of a study over time, potentially skewing the results.

Demand Characteristics

Subtle cues or signals in an experimental setup that suggest to participants what behavior is expected or desired, potentially influencing the outcomes of the study.