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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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1) 130 words in 5 mins. How many words in an hour?
FinnZ [79.3K]

Answer:

Part 1) 1,560 words

Part 2) 161 miles

Step-by-step explanation:

Part 1) 130 words in 5 mins. How many words in an hour?

Remember that

1\ hour=60\ min

so

using proportion

Find out how many words in 60 minutes (one hour)

\frac{130}{5}\ \frac{words}{min}= \frac{x}{60}\ \frac{words}{min}\\\\x=130(60)/5\\\\x=1,560\ words

Part 2) 322 miles in 2 hours. How many miles in 60 minutes?

Remember that

1\ hour=60\ min

so

2\ hours=120\ minutes

using proportion

Find out how many miles in 60 minutes

\frac{322}{120}\ \frac{miles}{min}= \frac{x}{60}\ \frac{miles}{min}\\\\x=322(60)/120\\\\x=161\ miles

8 0
3 years ago
Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being “very satisfactory.”
Oksana_A [137]

Answer:

320 Customers took the survey

Step-by-step explanation:

6 0
3 years ago
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Nimfa-mama [501]
You may solve this ratio by cross multiplying. To do this, you multiply the numbers diagonally across from each other.

    x/10 = 1/5
    10(1) = x(5)
        10 = 5x
          2 = x

Answer:
x = 2
4 0
3 years ago
Estimate the square root to the nearest integer. Square root of 48
Airida [17]
The square root to the nearest integer is 7 because 7 times 7 is 49
4 0
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Brandon used inverse operations to solve an equation in his homework assignment. During which step, if any at all, did Brandon u
tankabanditka [31]
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