Exhibit 5-1 During a Fire Drill a Teacher Marched the Class

question 47

Multiple Choice

Exhibit 5-1 During a fire drill a teacher marched the class from their floor classroom to the playground and waited there with them until the drill was over.Upon returning the teacher found Peter, one of the pupils, waiting at his desk.The teacher has formed several hypotheses, which are given in answer options a-d.Choose the hypothesis that best answers the question.
-Refer to Exhibit 5-1.Which of the hypotheses violated the criterion that: hypotheses must be testable.

• A) Peter is an inherently bad boy who had stepped out of line and ran to the classroom by the back stairs in order to infuriate the teacher.
• B) Peter leapt from the ground directly into the classroom window.
• C) Peter has an identical twin whom the teacher did not know about.He and Peter arranged with the principal to stage the fire drill so that they could play this trick on the teacher.
• D) Peter slipped into the boy's room on the way out and returned to his seat from there.

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Definitions:

Regression Equation

A mathematical formula used to describe the relationship between a dependent variable and one or more independent variables.

Correlation Coefficient

A numerical index that reflects the relationship between two variables, specifically how the value of one variable changes when the value of the other variable changes.

Prediction Error

The difference between observed values and the values predicted by a model, used as a metric to evaluate the accuracy of predictions.

Absolute Value

The non-negative value of a number disregarding its sign; representing its distance from zero on the number line.