Luis Is 10 Years Old

question 64

Multiple Choice

Luis is 10 years old. He is becoming quite good at arguing with his parents over such topics as what his bedtime should be and whether he has eaten enough of his dinner to have dessert. He loves toys and projects that involve hands-on learning, but cannot yet handle abstract concepts. According to Piaget, Luis is in the ____ stage of cognitive development. ​

• A)formal operational
• B)sensorimotor
• C)preoperational
• D)concrete operational

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Definitions:

Estimated Regression Equation

A formula that models the relationship between one or more independent variables and a dependent variable.

Yearly Income

The total amount of money earned by an individual or entity in one calendar year from all sources before any deductions.

SSE

Sum of Squares due to Error, a measure indicating the discrepancy between the data and an estimation model.

Estimated Regression Equation

A predictive formula derived from regression analysis to estimate the value of a dependent variable based on independent variables.