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sergey [27]
2 years ago
14

Which of the following is an example of a sample that would NOT be random?

Mathematics
1 answer:
Sloan [31]2 years ago
5 0

Answer: D

"Separating the students on the list into boys and girls and choosing a sample from each group that is proportional to the size of the group."

Step-by-step explanation:

You are sampling an equal amount of boys and girls since your getting an equal sample of each gender. (Not random)

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The mean temperature for the first 4 days in January was -12°C.
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Answer:

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Step-by-step explanation:

<u>Given</u>

  • The mean temperature for the first 4 days = -12°C
  • The mean temperature for the first 5 days = -13°C

<u>To find</u>

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<u>Solution</u>

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<u>The difference is the temperature on the 5th day:</u>

  • -65 - (-48) = -17°C
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