Homework 3
Yogini Borgaonkar
a. Dealer Satisfaction
North America: With the increase in sample size also comes a slight increase in low ratings (0-
1). However, there is a much higher increase in high ratings (4-5), meaning there is an increase
in overall satisfaction.
South America: There is a significant increase in 2014 for ratings of 5. This indicates a
significant increase in satisfaction.
Europe: There are no scores between 0-1 and the most amount of responses are 4. While it is
impressive that there are no dissatisfied scores, the scores are stuck right below the highest
score.
Pacific Rim: Similar to Europe, there are no entries between 0-1. However, the amount of
answers for 4 has increased over the years.
China: The number of high ratings and the overall sample size has increased in a short period
of time, compared to the other regions.
b. End- User Satisfaction
North America: There is an increase in the number of 5 ratings and a decrease in the number of
4 ratings.
South America: The amount of responses for each rating are fairly constant between 0-5, there
isn't much of a change throughout each year.
Europe: Most users are mostly concentrated at score 4, with second place being score 5. There
is an overall positive satisfaction.
Pacific Rim: The number of entries for 2 is decreasing and the number of entries for 3 is
increasing. However, there is a constant amount of entries in 4 and 5, implying an overall
positive satisfaction.
China: 4-5 have increased while 0-3 have decreased, implying an overall positive satisfaction.
c. Complaints
The data reveals an increase in complaints across all five regions. This pattern reveals a
recurring issue within customer satisfaction, particularly in North America & Europe.
d. Mower Unit Sales
There is a very clear pattern for sales with spikes of constant growth. North America has by far
the most amount of sales, with Europe being the second highest but still quite low in
comparison.
e. Tractor Unit Sales