I need 5~10 please! thank you Scores on the GRE. A college senior who took the Graduate...

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I need 5~10 please! thank you

Scores on the GRE. A college senior who tookthe Graduate Record Examination exam scored 510 on the VerbalReasoning section and 650 on the Quantitative Reasoning section.The mean score for Verbal Reasoning section was 470 with a standarddeviation of 127, and the mean score for the Quantitative Reasoningwas 429 with a standard deviation of 153. Suppose that bothdistributions are nearly normal. Round calculated answers to 4decimal places unless directed otherwise.

1. Write down the short-hand for these two normaldistributions.

The Verbal Reasoning section has a distribution N(470, 127 )

The Quantitative Reasoning section has a distribution of N(429,153)

2. What is her Z score on the Verbal Reasoning section?0.3149

3. What is her Z score on the Quantitative Reasoning section?1.4444

4. Relative to others, which section did she do better on?

A. Quantitative Reasoning

5. What is her percentile score on the Verbal Reasoning section?Round to nearest whole number.

6. What is her percentile score on the Quantitative Reasoningsection? Round to nearest whole number.

7. What percent of the test takers did better than she did onthe Verbal Reasoning section? %

8. What percent of the test takers did better than she did onthe Quantitative Reasoning section? %

9. What is the score of a student who scored in the 41thpercentile on the Quantitative Reasoning section? Round to thenearest integer.

10. What is the score of a student who scored worse than 92% ofthe test takers in the Verbal Reasoning section? Round to thenearest integer.

Answer & Explanation Solved by verified expert
3.8 Ratings (473 Votes)
5 By percentile score we mean the position of the score in thevalues arranged in some order For eg median is the middle mostobservation in any arranged series So its percentile score isalways 50 Similarly percentile score of 510 among the verbalreasoning section is obtained from the normal table by looking    See Answer
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