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22-04-2019
Mathematics

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What’s the answer to number 13 14 and 15

Whats the answer to number 13 14 and 15 class=

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Аноним Аноним

22-04-2019

Answer:

14. It is biased, because the store manager sends the survey to a customer who registered. I will send the survey to a customer who is not registered and who is new to the store.

15. This is unbiased, because they chose the students randomly.

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