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No. & Date Asked  Question 

# 27 :: 10/29/07

What does percentile rank mean?. . .
Percentile,
Percentile Rank 
# 70 :: 12/10/07

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. . .
ZScore,
Percentile 
# 146 :: 4/9/08

what is the zscore that corresponds to the 20th percentile of the normal distribution. . .
ZScore,
Percentile 
# 167 :: 4/24/08

I know that 33 is the raw score of the 85th percentile. How do I determine the mean?. . .
Percentile,
Standard Deviation 
# 180 :: 5/5/08

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 
# 266 :: 7/8/08

what is the difference between percentage and percentile?specially in cat like exams.. . .
Percentile 
# 294 :: 7/28/08

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?. . .
ZScore,
Percentile,
Percentile Rank 
# 459 :: 10/5/08

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,
ZScore 
# 778 :: 7/12/09

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 