Quiz Space

Business Analytics · End Term · 30 Apr 2023 · January 2023 term · Set QPD1-S2

Question 15: What is the precision of the built logistic model for pr…

Question 15

+1 markNumerical answer

A logistic regression model is fit to predict if a student will pass the BA course (Y=1 pass, Y=0 fail). The results of the fitted model are given in the table below. Then answer the given subquestions.

What is the precision of the built logistic model for predicting if a student will pass the course if a threshold of 0.7 is taken?
NOTE: Enter the answer as a numeric percentage value rounded to the nearest integer without the % symbol.

Show answer

Correct answer: 75

See the whole paperTake it as a mock test

Question 15 of 31 in the IIT Madras BS Business Analytics (Business Analytics) End Term paper sat on 30 Apr 2023, in the January 2023 term (IIT M DIPLOMA ET1 EXAM QPD1 S2 30 Apr 2023). It carries 1 mark.

More questions from this paper

  1. Q1In Regression, “Marginal” slope and “Partial” slope coincide if the explanatory variables are dependent.
  2. Q2The data on emissions from vehicular traffic for the first six months in 2023 and 2022 are provided in the Table below.…
  3. Q3You are solving a regression problem with 8 explanatory variables. The data has 150 observations, and the R-square valu…
  4. Q4How is Hypothetical Composite Unit computed in DEA for a DMU using graphical method?
  5. Q5How to identify the HCU of an inefficient DMU using Linear Programming Method?
  6. Q6The following is the Primal LP Formulation for a resource allocation problem. Given this, answer the subquestions Objec…
  7. Q7The following is the Primal LP Formulation for a resource allocation problem. Given this, answer the subquestions Objec…
  8. Q8The following is the Primal LP Formulation for a resource allocation problem. Given this, answer the subquestions Objec…
  9. Q9The following is the Primal LP Formulation for a resource allocation problem. Given this, answer the subquestions Objec…
  10. Q10Considering a threshold of 0.7, how many “True Positives” are present in the confusion matrix if the aim is to predict …
  11. Q11Considering a threshold of 0.7, how many “False Positives” are present in the confusion matrix if the aim is to predict…
  12. Q12Considering a threshold of 0.7, how many “False Negatives” are present in the confusion matrix if the aim is to predict…
  13. Q13Considering a threshold of 0.7, how many “True Negatives” are present in the confusion matrix if the aim is to predict …
  14. Q14What is the accuracy of the built logistic model for predicting if a student will <u>fail</u> the course if a threshold…
  15. Q16What is the recall of the built logistic model for predicting if a student will <u>fail</u> the course if a threshold o…
  16. Q17What is the expected frequency of “Chennai” people preferring “Brand-B”?\ NOTE: If your answer is in decimal, enter it …
  17. Q18What is the expected frequency for “Delhi” people preferring “Brand-C”?\ NOTE: If your answer is in decimal, enter it r…
  18. Q19What is the value of the computed Chi-Square test statistic?\ NOTE: If your answer is in decimal, enter it rounded to t…
  19. Q20What is the degrees of freedom for the chi-square test that you perform for this problem? NOTE: Enter your answer to th…
  20. Q21At the significance level 0.01, chi-squared tabular value is 16.18. What do you conclude?
  21. Q22When do you choose “charts” for representing data?
  22. Q23When performing the goodness of fit test by grouping the given observations into bins, the expected frequency represent…
  23. Q24What is the demand when the price is Rs.1?
  24. Q25What is the price elasticity for the demand response curve?
  25. Q26The relationship between Demand “D” and Selling Price “P” is given by the equation D(p) = 120 – 5P. If the intention is…
  26. Q27There are 6 business units. There are two outputs and one input under consideration. You are solving the optimization p…
  27. Q28The table below provides the summary statistic for a random variable. Then what distribution could be a good fit for th…
  28. Q29What is productive efficiency?
  29. Q30Figure question
  30. Q31There are 7 business units and you are using the DEA to compare them. You solve the LP for business unit 4. You find fr…