Python In Practice - 15 Projects to Master Python - Working of the Regression Model

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Computers
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9th - 10th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of plotting a regression line in a scatter plot?
To visualize the relationship between two categorical variables
To identify outliers in the dataset
To determine the correlation coefficient
To illustrate the linear relationship between input and output variables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you change the color of the regression line in a plot?
By using the 'color' parameter in the plot function
By adjusting the 'line_style' parameter
By modifying the 'axis' settings
By changing the 'plot_type' parameter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the residual error represent in a regression model?
The difference between actual and predicted values
The average value of the dataset
The total number of data points
The slope of the regression line
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to calculate the maximum error in a regression model?
Error Rate
Total Error
Max Error
Mean Absolute Error
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Mean Absolute Error indicate in a regression analysis?
The correlation between variables
The average distance between each data point and the regression line
The total number of errors
The maximum error in the dataset
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of values are typically predicted using a linear regression model?
String values
Numerical values
Boolean values
Categorical values
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next topic introduced after linear regression in the lesson?
Time Series Analysis
Classification
Clustering
Dimensionality Reduction
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