Advanced Regression Assessment Test
Take our assessment test to assess your knowledge of advanced regression (inference and transforming). Advanced regression is a collection of models used for analyses.
- 1.
How many coefficients do you need to estimate in a simple linear regression model (one independent variable)?- A.
2
- B.
4
- C.
6
- D.
8
- 2.
Can the skewness of variables be calculated just using the mean and median?
- A.
Yes
- B.
No
- C.
Depends
- D.
None
- 3.
Correlated variables can have zero correlation coeffficient.
- A.
True
- B.
False
- C.
Depends on the analysis
- D.
Depends on some other factors
- 4.
A correlation between a man's health and age is found to be -1.09. Which of these will be reported to the doctor?
- A.
The age is a good predictor of health
- B.
The age is a poor predictor of health
- C.
The man is healthy
- D.
None of the above
- 5.
Which of the following is used for predicting continuous dependent variable?
- A.
Mean
- B.
Gaussian distribution
- C.
Linear regression
- D.
Logistic regression
- 6.
To test linear relationship of y (dependent) and x (independent) continuous variables, which of the following plot is best suited?
- A.
Bar chart
- B.
Pictogram
- C.
Scatter plot
- D.
Histogram
- 7.
Which of the following describes Heteroskedasticity?
- A.
Linear regression with zero error terms
- B.
Linear regression with constant error term
- C.
Linear regression with no error terms
- D.
Linear regression with varying error terms
- 8.
Which of these is true of a linear regression model that perfectly fits the training data?
- A.
You will always have test zero
- B.
You will not have a test zero
- C.
Maybe there will be a test zero
- D.
None of the above
- 9.
Predicting with trees evaluate ____ within each group of data.
- A.
Homogeneity
- B.
Equality
- C.
Heterogeneity
- D.
Inequality
- 10.
Which of the following is a statistical boosting based on additive logistic regression?
- A.
Ada
- B.
Mboost
- C.
Gamboosting
- D.
Gbm
Questions: 10 | Attempts: 14851 | Last updated: Mar 22, 2022
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