Saturday
December 20, 2014

Homework Help: Statistic in Social Science

Posted by Rhea on Tuesday, April 29, 2014 at 2:31am.

The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions:
a. If you wanted to select only student at or above the 90th percentile, what verbal GRE score would you use as a cutoff score?
b. What verbal GRE score corresponds to a percentile rank of 15%? What verbal GRE score corresponds to a percentile rank of 55%?
c. What's the percentile rank of a GRE score of 628? What's the percentile rank of a GRE score of 350?
d. If you randomly selected 1,500 students who had taken the verbal GRE, how many would you expect to score lower than 250? How many would you expect to score higher than 750?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistic - The Graduate Record Exam (GRE) has a combined verbal and ...
Math (Statistic) - Considered the sampling distribution of a sample mean ...
MATH - Which of the following normal distributions has the smallest spread? A. A...
statistic of behavioral science - for each of the following, identify the exam ...
Statistics - A study was conducted to investigate relationships between ...
Statistics (Math) - A government report looked at the amount borrowed for ...
Psychological Statistics - Assume that GRE scores approximate a normal curve and...
stats - SAT math scores approx. follow a normal distribution, with mean 500 and ...
statistics - It is known that the population mean for the Quantitative section ...
statistics - A normal distribution has a standard deviation equal to 23. What is...

Search
Members