
Regression Analysis Concepts
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of correlation is observed in the scatter plot between high school GPA and college GPA?
Negative correlation
No correlation
Positive correlation
Inverse correlation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a regression line in a scatter plot?
To highlight outliers
To indicate the strongest data point
To show the average of all data points
To represent the best fit line through the data
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When rounding values for regression analysis, which decimal places are suggested?
Hundreds and units
Tens and hundreds
Thousands and hundreds
Units and tens
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a residual in the context of regression analysis?
The sum of all data points
The highest data point
The difference between actual and predicted values
The average of predicted values
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the explanatory variable in regression analysis?
To be ignored in analysis
To be the response variable
To be the average of all variables
To predict the response variable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should a residual plot ideally look like?
A cluster of points
A curved line
A random scatter with no pattern
A straight line
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the standard deviation of residuals indicate?
The highest residual value
The total number of residuals
The spread of residuals from the mean
The average value of residuals
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