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(Solved): WPC 300 Quiz 10 : Score for this attempt: 15 out of 15 Submitted Mar 29 at 3:13pm...


WPC 300 Quiz 10

Score for this attempt: 15 out of 15
Submitted Mar 29 at 3:13pm

Question 1
1.5 / 1.5 pts
In logistic regression analysis, instead of Y as a dependent variable, we use a function of Y called ________.

  • Odds ratio
  • Odds
  • Log of Y
  • Logit

 
Question 2
1.5 / 1.5 pts
In logistic regression, the dependent variable y is defined as:

  • Log(1/p)
  • Log (1-p)
  • Log (p/1-p)
  • Log (1/1-p)

  
Question 3
1.5 / 1.5 pts
A loan officer wants to know if the next customer is likely to default or not on a loan. How can she assess the risk of extending the loan to that customer?

  • By asking his colleague if he knows the person
  • By utilizing a multiple logistic regression model developed by an in-house analyst
  • By asking the customer if he is planning to default the loan or not
  • By utilizing a simple linear regression model developed by an in-house analyst

  
Question 4
1.5 / 1.5 pts
In classification analysis, we typically split the data into two mutually exclusive sets, known as ________, to investigate the strength of the developed model.

  • Testing and validation
  • Training and validation/testing
  • Binary and numeric
  • Training and Binary

  
Question 5
1.5 / 1.5 pts
In classification problems, the primary source for accuracy estimation of the model is ________.

  • Logit
  • Confusion matrix
  • Probability of success
  • Odds ratio

  
Question 6
1.5 / 1.5 pts
Odds ratio is defined as ________, where p is the probability of success.

  • 1/p-1
  • 1/1-p
  • p/p-1
  • p/1-p

  
Question 7
1.5 / 1.5 pts
Logistic regression is a specialized type of regression analysis that is designed to predict ________ variables.

  • a binary categorical
  • numeric dependent
  • a binary numeric
  • independent

  
Question 8
1.5 / 1.5 pts
In classification analysis, we are determining the probability of an observation ________.

  • To be undefined
  • To be one
  • To be part of a certain class or not
  • To be zero

  
Question 9
1.5 / 1.5 pts
If you want to find out if body weight, calorie intake, fat intake and age have an influence on the probability of having a heart attack (yes or no), which of the following kind of analysis will help determine the answer?

  • Simple linear regression
  • Multiple linear regression
  • Simple logistic regression
  • Multiple logistic regression

 
Question 10
1.5 / 1.5 pts
The ________ is often used to describe the performance of a classification model applied to a set of test data for which the true outcomes are known.

  • Parameter estimates table
  • ANOVA table
  • Confusion matrix
  • Effect summary table


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