Linear and Polynomial Regression in MATLAB

Interactive Video
•
Computers
•
9th - 10th Grade
•
Hard
Quizizz Content
FREE Resource
Read more
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of calculating the intercept and slope in data fitting?
To find the best-fit line for the data
To determine the curvature of the data
To identify outliers in the data
To calculate the average of the data points
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used in MATLAB for polynomial fitting?
linspace
fitline
polyfit
plot
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using the 'linspace' function in MATLAB?
To create a logarithmic space
To generate a linearly spaced vector
To fit a polynomial to data
To clear variables in the workspace
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you make a plot smoother in MATLAB?
By decreasing the number of data points
By using a thicker line width
By changing the plot color
By increasing the number of data points using 'linspace'
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the R squared value indicate in regression analysis?
The number of data points
The intercept of the regression line
The goodness of fit of the model
The slope of the regression line
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the residual in the context of regression analysis?
The slope of the regression line
The sum of all data points
The difference between the observed and predicted values
The average of the data points
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the sum of squared errors used in regression analysis?
To calculate the slope of the regression line
To find the maximum value in the dataset
To determine the goodness of fit
To calculate the average of the data points
Similar Resources on Wayground
6 questions
Statistics for Data Science and Business Analysis - A Geometrical Representation of the Linear Regression Model

Interactive video
•
University
6 questions
Regents Exam: Algebra I August 2016 (Problem 6 of 37)

Interactive video
•
11th Grade - University
8 questions
Curve Fit with Excel and Python

Interactive video
•
12th Grade - University
5 questions
Matlab 👩💻 Plots

Interactive video
•
12th Grade - University
6 questions
Regents Exam: Algebra I August 2016 (Problem 6 of 37)

Interactive video
•
11th Grade - University
6 questions
R Programming for Statistics and Data Science - First Regression in R

Interactive video
•
University
6 questions
Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Refresh Your Memory - Regression Edition

Interactive video
•
University
5 questions
Linear and Polynomial Regression in Python

Interactive video
•
12th Grade - University
Popular Resources on Wayground
11 questions
Hallway & Bathroom Expectations

Quiz
•
6th - 8th Grade
20 questions
PBIS-HGMS

Quiz
•
6th - 8th Grade
10 questions
"LAST STOP ON MARKET STREET" Vocabulary Quiz

Quiz
•
3rd Grade
19 questions
Fractions to Decimals and Decimals to Fractions

Quiz
•
6th Grade
16 questions
Logic and Venn Diagrams

Quiz
•
12th Grade
15 questions
Compare and Order Decimals

Quiz
•
4th - 5th Grade
20 questions
Simplifying Fractions

Quiz
•
6th Grade
20 questions
Multiplication facts 1-12

Quiz
•
2nd - 3rd Grade