Question
For the logistic regression model fitted to the training set, what is the coefficient for the KIDSDRIV variable? (Round to two decimal places) Question 3
For the logistic regression model fitted to the training set, what is the coefficient for the KIDSDRIV variable? (Round to two decimal places)
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Question 4 (1 point)
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For the logistic regression model fitted to the training set, what is the odds ratio for the URBANICITY variable? (Round to two decimal places).
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Question 5 (1 point)
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How would you interpret the odds ratio for the URBANICITY variable?
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If a customer lives in an urban area, the odds of submitting an auto insurance claim increase by 10.73 times on average, holding all other variables constant. | |
If a customer lives in an urban area, the odds of submitting an auto insurance claim decrease by 10.73 times on average, holding all other variables constant. | |
If a customer lives in a rural area, the odds of submitting an auto insurance claim decrease by 10.73 times on average, holding all other variables constant. | |
If a customer lives in a rural area, the odds of submitting an auto insurance claim increase by 10.73 times on average, holding all other variables constant. |
Question 6 (1 point)
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According to the confusion matrix, how many insurance claims (positives) did the model predict correctly?
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Question 7 (1 point)
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What is the accuracy rate? (Report as a percentage and round to two decimal places)
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Question 8 (1 point)
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What is the sensitivity? (Report as a percentage and round to two decimal places).
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Question 9 (1 point)
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How would you interpret the sensitivity?
Question 9 options:
It is the accuracy rate of predicting that customers will make insurance claims. | |
It is the accuracy rate of predicting that customers will not make insurance claims. | |
It is the inverse of the overall error rate for the logistic regression model. | |
It is the overall error rate for the logistic regression model. |
Question 10 (1 point)
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What is the AUC for the ROC Curve you just generated? (Round to two decimal places)
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Question 11 (1 point)
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In this new training subset generated from oversampling, how many observations are in the class that has made a recent auto claim ("Yes")?
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Question 12 (1 point)
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What is the accuracy rate based on the new confusion matrix? (Report as a percentage and round to two decimal places)
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Question 13 (1 point)
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What is the sensitivity? (Report as a percentage and round to two decimal places).
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Question 14 (1 point)
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What is the AUC for the new ROC Curve you just generated? (Round to two decimal places)
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Question 15 (1 point)
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What do you notice about this AUC value as compared to the AUC value generated from the previous logistic regression model?
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This AUC value is significantly larger than the first AUC value. | |
This AUC value is significantly smaller than the first AUC value. | |
There is not a large difference between the two AUC values. |
Question 16 (1 point)
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Based on this new confusion matrix, how many insurance claims (positives) did the model predict correctly using the test set?
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Question 17 (1 point)
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What is the accuracy rate? (Report as a percentage and round to two decimal places).
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Question 18 (1 point)
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What is the sensitivity? (Report as a percentage and round to two decimal places).
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Question 19 (1 point)
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What is the AUC for the new ROC Curve you just generated? (Round to two decimal places)
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Question 20 (1 point)
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What is the predicted probability of making an insurance claim for new customer #1? (Round to two decimal places).
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