Albert Lost the Keys to His Car Sometime Between the Time

question 16

Multiple Choice

Albert lost the keys to his car sometime between the time he locked it and his return to the car about three hours later. Albert retraced his steps, going to all of the places he visited after he initially locked the car. Albert is using __________ to find his keys.

• A)trial and error
• B)an algorithm
• C)a heuristic
• D)divination

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Definitions:

Dependent Variable

A variable in an experiment or model that is expected to change in response to manipulations of the independent variable(s).

Independent Variable

A variable in an experiment or study that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Regression Equation

An equation that describes the statistical relationship between one dependent variable and one or more independent variables.

Slope

The measure of the steepness or incline of a line, representing the rate of change of the function.