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Percentages of Complaint Rates

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See the attachments.

1.

UNITS of BARBIES SOLD since launch Jan 2011

YEAR EUROPE AUSTRALIA NEW ZEALAND CANADA TOTAL WORLDWIDE
2011 115,873 57,146 2058 9435 184,512
2012 26,667 71,958 4056 56,593 159,274
2013 3269 36,050 4188 40,519 84,026
2014 4645 10 2863 892 8410
2015 -16 2 0 -30 -44

NUMBER OF COMPLAINTS RECIVED FOR BARBIES (V3)
YEAR EUROPE Australia & New Zealand Canada TOTAL
2011 25 0 3 28
2012 13 2 7 22
2013 4 1 68 73
2014 9 0 3 12
2015 4 0 0 4

Table showing Complaint rates by units sold -of Barbie sold (v3) .
A) I DON'T KNOW HOW THE COMPLAINT RATES WERE WORKED OUT, I NEED TO WORK OUT 2014 AND 2015, CAN YOU PLEASE PROVIDE WORKED EXAMPLE? I THINK IT IS NUMBER OF COMPLAINTS/ PRODUCT SOLD BUT I DON'T UNDERSTAND HOW THEY GOT FOR EXAMPLE 0.022%.
B) Also where does the worldwide figure ie 0.015% come from???? Can you show you me how this is worked out?
C) DO THE COMPLAINT RATES IN GREEN HAVE ANYTHING TO DO WITH THE CALCULATION? WHAT ARE THEY FOR ? HOW ARE THEY WORKED OUT??.
YEAR Europe Canada Australia & New Zealand Worldwide
2011 0.022% 0.032% 0 0.015%
2012 0.049% 0.012% 0.003% 0.014%
2013 0.152% 0.170% 0.002% 0.087%
2014
2015
TOTAL SINCE LAUNCH
:
World wide complaint rates for Barbie's have been static at approximately WHAT PERECENTAGE? since product launch, which represents a rate of ???? ( NOTE ANSWER SOULD BE WRITTEN AS FOLLOWS: < 1 in 1,000 units.
Complaint rates in Europe crepresent <1 in 1000 units
Complaint rates for Canada represent < 1 in 1000 unitsor Australia and Newzealand <1 in 10,000 units
Complaint rates world wide represent <1 in 1000 units.
2.
Units of sponges sold Dec 2012:
YEAR EUROPE AUSTRALIA and newzealand CANADA TOTAL WORLDWIDE
2012 153 0 0 153
2013 17,969 13,142 3128 34239
2014 19490 11524 8340 39354
2015 2392 5139 894 8425

Worldwide Complaints received about sponges

YEAR EUROPE Australia & New Zealand Canada TOTAL world wide
2012 0 0 0 0
2013 1 0 1 1
2014 4 0 0 4
2015 0 2 0 3

Table showing complaint rates by units sold - sponges
YEAR EUROPE AUSTRALIA AND NEW ZEALAND CANADA World wide
2012 0 0 0 0
2013
2014
2015

HOW DO I WORK THE ABOVE TABLE in yellow OUT??
HOW DO I WORK OUT THE COMPLAINT RATE FOR EUROPE, Canada, Australia and New Zealand and worldwide. THE ANSWER NEEDS TO BE SHOWN AS sentences ie. "Complaint rates for Europe represent ~ 1 in 10,000 unit".

Please show fully worked examples, I really appreciate your help in this matter.

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Solution Summary

A fully worked example of how the complaint rates are calculated.

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See the attachments.

Complaint Rates for Barbies and Sponges

There are 3 things we need to do in order to solve this problem
• Add a last row to each table: TOTAL SINCE LAUNCH, where we add all the data above (all years from 2011 to 2015).
• In the Units of Barbies sold table, Australia and New Zealand are given separately. Therefore, we need to make a new table where we add together all the complaints.
• The Compalint ...

Solution provided by:
Chris Busu, PhD (IP)
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  • BSc, University of Bucharest
  • MSc, Ovidius
  • MSc, Stony Brook
  • PhD (IP), Stony Brook
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