
Exploring Linear Regression and Correlation Coefficient in Desmos

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
+1
Standards-aligned

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step before fitting a linear regression equation?
Find the mode of the data
Calculate the mean of the data
Look at the scatterplot to ensure a linear trend
Determine the median of the data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of data is used in the example provided in the video?
Daily temperatures and humidity levels
Weekly rainfall and crop yield
Annual income and expenditure
Monthly sales and cost of online ads
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you cannot see the data points on the graph?
Change the color of the points
Adjust the scale of the graph
Re-enter the data
Restart the Desmos application
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adjusting the graph settings in Desmos?
To change the color of the graph
To fit the data points within the visible window
To add more data points
To delete existing data points
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used to indicate that Y1 is approximately equal to the linear model in Desmos?
Equal sign (=)
Tilde (~)
Asterisk (*)
Ampersand (&)
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'M' represent in the regression equation?
Y-intercept
Slope
Correlation coefficient
Variance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the R-squared value in the regression model?
It indicates the y-intercept
It represents the slope of the line
It measures the total number of data points
It shows the percentage of variability explained by the model
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