1. Use a double exponential smoothing method to forecast complaints.  What is your forecast for the 73rdth month?

A) 30000 or more
B) 20000 or more but less than 25000
C) less than 2000
D) 25000 or more but less than 30000

2. Based on your forecasting results, do you prefer the double exponential smoothing method over simple exponential smoothing and moving average methods used in previous questions?  Choose True for yes or False for no.

A) True
B) False

3. Use your results for Cereals file.  Which cereal is very different, being the last one to join the cluster of all other cereals?

A) C
B) A
C) E
D) B
E) G
F) D
G) F
H) H
I) I

4. "In a sample sales data of 100,000 transactions, item A and B are sold together 8000 times.  2000 of these 8000 transactions included item C.  Total number of transactions including item C is 15000.

What is the lift for rule “If A and B are purchased, then C is also purchased”?"

A) Less than 1
B) 1.6 or more
C) 1.4 or more but less than 1.6
D) 1 or more but less than 1.2
E) 1.2 or more but less than 1.4