How Many Lines Are Determined by 9 Points If No

question 281

Multiple Choice

How many lines are determined by 9 points if no 3 points lie on a straight line?

• A) 72
• B) 32
• C) 25
• D) 29
• E) 36

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Definitions:

Second-order Model

A statistical or mathematical model that includes not only the main effects but also their interactions and quadratic terms, enabling the capture of curvature in the data relationships.

First-order Model

A model in statistical analysis where the current value of a variable is primarily based on its immediate previous value, often used in time series analysis.

Predictor Variable

A variable used in statistical modeling to predict or forecast the outcome of an interest variable.

Regression Equation

A mathematical formula that describes the relationship between one dependent variable and one or more independent variables.