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yulyashka [42]
2 years ago
9

Simplify (-56) = 7. o O A-8 O B. 9 O a -9 O D. 8

Mathematics
1 answer:
Sever21 [200]2 years ago
3 0

Answer:

Step-by-step explanation:

o=-8

-56=7*(-8)=-56

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A city has designed a survey to collect information about residents’ opinions about city services. Which of the following descri
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Bias refers to scenarios which might affect the ability of a statistical experiment to generalize, hence affecting the validity of research. Non-response bias occurs when majority of subjects <em>fail to respond during a survey</em>. Hence, a likely scenario is ; <em>surveys were mailed to 500 people, and 200 of the surveys were completed and </em><em>returned</em><em>.</em><em> </em>

  • Non - response bias has to do with a situation whereby a large percentage of the selected samples from a population do not respond or fail to participate in the experiment or survey.

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Learn more :brainly.com/question/18405415

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