WorksheetsWeek 3 Quiz
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
1) Which of these are not an interpretation of a scatter plot?
a)
Postive
b)
Stationary
c)
Negative
d)
No Correlation
2.
2) What is the name of the measure of correlation that is used for linear relationships.
(a)
3.
3) What is the y in the Linear Regression equation?
(a)
4.
4) What is the β0 in the Linear Regression equation?
(a)
5.
5) What is not part of building a Regression model?
a)
Model Estimation
b)
Data Preparation
c)
Model Calculation
d)
Model Formulation
6.
6) Which of these are types of Feature Selection Techniques?
a)
Using Correlation Coefficients
b)
Pairplot
c)
Heatmaps
d)
Threshold Selection
7.
7) Which of these is a method of Assessing Model Fit?
a)
Root Mean Squared Error (RMSE)
b)
Residual Analysis
c)
Mean Absolute Error (MAE)
d)
R-squared (R2)
8.
8) Which of these is a method of Error Metrics?
a)
MAE
b)
R2
c)
MSE
d)
Hypothesis Testing
9.
9) What is the definition of MSE?
a)
Measures the average absolute difference between predicted and observed values.
b)
The square root of MSE.
c)
Measures the proportion of the variance in the dependent variable that is explained by the independent variables.
d)
Calculates the average squared difference between predicted and observed values.
10.
10) Which is not a Method of extracting Insights?
a)
Coefficient Interpretation
b)
Predictive Power
c)
Forecasting
d)
Scenario Analysis
100 %
