Question
I have the necessary documents. Question 1: Evaluate the following two Model Comparisons Comparison 1: -2LL(C) PC -2LL(A) PA Improvement Chi Square Probability of Improvement
I have the necessary documents.
Question 1: Evaluate the following two Model Comparisons
Comparison 1:
-2LL(C)
PC
-2LL(A)
PA
Improvement Chi Square
Probability of
Improvement Chi Square (sig)
Interpretation of Findings
(Include Improvement Chi Square and Probability of Improvement Chi Square)
Prediction Equation of
Log Odds for Model A
Using the Prediction Equation of Log Odds for Model A, what is the predicted probability of buying 'The Art History of Florence' for a customer with:
Purch = 8 Total Purchases
Last = 24 Months since last purchase
Comparison 2:
-2LL(C)
PC
-2LL(A)
PA
Improvement Chi Square
Probability of
Improvement Chi Square
Interpretation of Findings
(Include Improvement Chi Square and Probability of Improvement Chi Square)
Prediction Equation of
Log Odds for Model A
Question 2:
Which set of variables gives the best prediction of the dependent variable?
What is your evidence?
Question 3:
Using the equation with all 6 independent variables, how are the odds of buying the 'Art History of Florence' affected by:
a.# purchases of Geography books (Art) - How do the odds of buying change for an additional Geography book purchase?
b.# purchases of Do it Yourself books (Do_it) - How do the odds of buying change for an additional Do_It Yourself book purchase?
Question
Answer
3a
3b
Question 4:
Use the following cost information to assess the profitability of both modeling methods.
Cost to Mail Offer to Customer
$.55
Selling Price of 'The Art History of Florence'
$20.00
Contribution Margin
$8.00
Using the data from the Lift/Gains/Profitability Analysis that you completed in Excel, complete the following table.
Method to Identify Customers
Maximum Cumulative Operating Profit
% of Customers Receiving Mailing
Acquisition Costs per Customer
ROI = Operating Profit/ Total Fixed Costs of Campaign
Mail All Customers in Database
100%
Logistic Regression Model
Question 5:
Which of the 2 approaches would you recommend be used in the future? Why?
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