Revision of Linear and Quadratic Regression

Revision of Linear and Quadratic Regression

9th - 12th Grade

15 Qs

quiz-placeholder

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Revision of Linear and Quadratic Regression

Revision of Linear and Quadratic Regression

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSF-IF.C.7A, HSS.ID.B.6B, HSS.ID.C.9

+3

Standards-aligned

Created by

Margareta Roseen

Used 3+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of simple linear regression?

To calculate the mean of the variables

To establish a linear relationship between variables for prediction.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In simple linear regression, what is the role of the independent variable?

The independent variable is irrelevant in simple linear regression

The role of the independent variable is to predict or explain the dependent variable.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the coefficient of determination (R-squared) represent in simple linear regression?

How well the model fits the data points. The closer to 1, the better.

Amount of error in the model predictions

Tags

CCSS.HSS.ID.B.6B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between correlation and regression in simple linear regression?

Correlation measures the strength and direction of a linear relationship, while regression estimates the equation of the line.

Correlation is always positive, while regression can be negative.

Tags

CCSS.HSS.ID.C.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the y-intercept in simple linear regression?

The intercept is the slope of the regression line

The intercept represents the value of the dependent variable when all independent variables are zero.

Tags

CCSS.HSF.LE.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can outliers affect the results of simple linear regression?

Outliers have no impact on simple linear regression

Outliers can skew the line of best fit, affecting the overall accuracy and reliability of the regression model.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The turning point of the parabola is called the

vertex

solutions

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