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Card 6

Front

after-sales services

Back

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Card 7

Front

essential product

Back

Preview of the front of card 7

Card 8

Front

non-essential product

Back

Preview of the front of card 8

Card 9

Front

closed questions

Back

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Card 10

Front

open questions

Back

Preview of the front of card 10

Card 11

Front

fast-moving consumer goods

Back

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Card 12

Front

extrapolation

Back

Preview of the front of card 12

Card 13

Front

simple trend analysis

Back

Preview of the front of card 13

Card 14

Front

time-series data

Back

Preview of the front of card 14

Card 15

Front

database

Back

Preview of the front of card 15
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