Data Science Introduction Regression Models Online Exam Quiz
Data Science Introduction Regression Models GK Quiz. Question and Answers related to Data Science Introduction Regression Models. MCQ (Multiple Choice Questions with answers about Data Science Introduction Regression Models
Normalized data are centered at ___ and have units equal to standard deviations of the original data.
Options
A : 0
B : 5
C : 1
D : 10
Which of the following function can be replaced with the question mark in the below figure?
Options
A : boxplot
B : lplot
C : levelplot
D : all of the mentioned
Which of the following implies no relationship with respect to correlation?
Options
A : Cor(X, Y) = 1
B : Cor(X, Y) = 0
C : Cor(X, Y) = 2
D : All of the mentioned
Which of the following refers to the circumstance in which the variability of a variable is unequal across the range of values of a second variable that predicts it?
Options
A : Heterogeneity
B : Heteroskedasticity
C : Heteroelasticty
D : None of the mentioned
Which of the following is correct with respect to residuals?
Options
A : Positive residuals are above the line, negative residuals are below
B : Positive residuals are below the line, negative residuals are above
C : Positive residuals and negative residuals are below the line
D : All of the mentioned
Which of the following outcome is odd man out in the below figure?
Options
A : R Squared
B : Kappa
C : RMSE
D : All of the mentioned
Minimizing the likelihood is the same as maximizing -2 log likelihood.
Options
A : True
B : False
C :
D :
Residuals are useful for investigating best model fit.
Options
A : True
B : False
C :
D :
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