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9 Questions returned
No. & Date AskedQuestion
# 778 :: 7/12/09
Question 778 has been Answered
200 students took a test. The scores were normally distributed. Your score was in the 60th percentile. How many people scored at or below your score?. . .

Percentile

# 459 :: 10/5/08
Question 459 has been Answered
How do you calculate a participant score if she was at the 67th percentile? I only have the standard deviation of the population and the mean. s = 27 . . .

Percent Score, Percentile, Z-Score

# 294 :: 7/28/08
Question 294 has been Answered
A test is normally distributed with a mean of 40 and a standard deviation of 7. (a) What score would be needed to be in the 85th percentile?. . .

Z-Score, Percentile, Percentile Rank

# 266 :: 7/8/08
Question 266 has been Answered
what is the difference between percentage and percentile?specially in cat like exams.. . .

Percentile

# 180 :: 5/5/08
Question 180 has been Answered
How to convert a exam score (standard score) back to Percent score? e.g. Total of students 16, 71 76 56 79 74 72 68 75 77 61 81 75 7. . .

Standard Score, Percentile, Percent Score

# 167 :: 4/24/08
Question 167 has been Answered
I know that 33 is the raw score of the 85th percentile. How do I determine the mean?. . .

Percentile, Standard Deviation

# 146 :: 4/9/08
Question 146 has been Answered
what is the z-score that corresponds to the 20th percentile of the normal distribution. . .

Z-Score, Percentile

# 70 :: 12/10/07
Question 70 has been Answered
The grades on the midterm given in a large managerial stats class are normally distibuted with mean 75 and standard deviation 9. Instructors of this c. . .

Z-Score, Percentile

# 27 :: 10/29/07
Question 27 has been Answered
What does percentile rank mean?. . .

Percentile, Percentile Rank