Weekly Quiz 2_ Predictive Modeling.pdf - Weekly Quiz 2 Predictive Modeling Great Learning Go Back to Predictive Modeling Course Content Weekly Quiz 2

# Weekly Quiz 2_ Predictive Modeling.pdf - Weekly Quiz 2...

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02/07/2020 Weekly Quiz 2: Predictive Modeling - Great Learning 1/10 Go Back to Predictive Modeling Course Content Weekly Quiz 2 Type : Graded Quiz Attempts : 1/2 Questions : 16 Time : 20m Scoring Policy : Highest Score Due Date : Jul 03, 11:30 PM Your Score : 7.00/16 Instructions Attempt History Date Attempt Marks RETAKE Question No: 1 Incorrect Answer Calculate the odds ratio (rounded off to 2 decimal points) for the given probability, P =0.45 Jul 02, 12:19 AM 1 7 Hide answers
02/07/2020 Weekly Quiz 2: Predictive Modeling - Great Learning 2/10 Question No: 2 Incorrect Answer A logistics regression model was built to predict the likelihood of passing an exam usingHours, Prelim and GenderFemale as an independent variable and it was observed that pvalues of variables are as follows.Coefficients: ## Estimate Std. Error z value Pr(>|z|) ## (Intercept) 2.9670448 1.6369114 1.813 0.06990 . ## GenderFemale -1.2758823 0.5232272 -2.438 0.01475 * ## Hours 0.0006937 0.0005203 1.333 0.18243 ## Prelim -0.2536125 0.0939686 -2.699 0.00696 **Which of the following variables is a significant predictor? Question No: 3 Correct Answer Observe the below table and calculate- Specificity 0.69 0.73 0.77 You Selected 0.82 HoursYou SelectedPrelimBoth of themNone of the above
02/07/2020 Weekly Quiz 2: Predictive Modeling - Great Learning 3/10 Actual Positive Actual Negative Predicted Positive 2300 180 Predicted Negative 200 820 Question No: 4 Incorrect Answer