Quadratic Regression Practice

Front

What is a quadratic function?

Back

Front

What does the term 'regression' mean in statistics?

Back

Regression is a statistical method used to determine the relationship between a dependent variable and one or more independent variables, often used to predict outcomes.

Tags

CCSS.8.SP.A.3

Front

What is the purpose of quadratic regression?

Back

Quadratic regression is used to model the relationship between a dependent variable and an independent variable when the data shows a parabolic trend.

Front

What is the general form of a quadratic equation?

Back

Front

How do you identify the vertex of a quadratic function?

Back

Front

What is the significance of the 'a' value in a quadratic function?

Back

The 'a' value determines the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.

Tags

CCSS.HSF-IF.C.7A

Front

What does the term 'line of best fit' refer to?

Back

The line of best fit is a straight line that best represents the data on a scatter plot, minimizing the distance between the line and all data points.

Tags

CCSS.8.EE.B.5

Front

What is the formula for the quadratic regression line?

Back

Front

How do you interpret the coefficients in a quadratic regression equation?

Back

Front

What is the role of the y-intercept in a quadratic function?

Back

Tags

CCSS.HSF-IF.C.7A