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Verizon [17]
2 years ago
9

A friend of yours, a senior, took the Graduate Record Exam in September and scored in the 99th percentile. In February, your fri

end took the same exam over again. This time your friend scored in the 90th percentile. As a research methods student, you told your friend that his/her lowered score was most likely due to:
Mathematics
1 answer:
soldi70 [24.7K]2 years ago
3 0

His/her lowered score was most likely due to statistical regression.

<h3>How to determine the reason?</h3>

The missing options in the question are:

A. compensation rivalry  B. Demoralization C.  Differential selection

D.  Testing E.  Statistical regression

From the question, we have:

  • September = 99th percentile
  • February = 90th percentile

A change (whether higher or lower) in the score is caused by statistical regression.

This is so because several variables could attribute to the change in the score.

The relationship between these variables is referred to as statistical regression

Read more about statistical regression at:

brainly.com/question/25987747

#SPJ12

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Answer:

2

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Suppose that a population parameter is 0.1, and many samples are taken from the population. If the size of each sample is 90, wh
mr Goodwill [35]
I think the answer is Letter C - 0.032.

Given: p - 0.1; n - 90
Required: standard deviation of the sample proportion
Solution: To get the standard deviation of the sample proportion, we will use this formula - std = √p (1 - p) / n Replace the variables with the given values, then simplify.
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   std = √0.001
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3 0
3 years ago
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