View Answered Questions
| No. & Date Asked | Question |
# 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 |
# 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,
Z-Score |
# 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?. . .
Z-Score,
Percentile,
Percentile Rank |
# 266 :: 7/8/08
|
what is the difference between percentage and percentile?specially in cat like exams.. . .
Percentile |
# 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 |
# 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 |
# 146 :: 4/9/08
|
what is the z-score that corresponds to the 20th percentile of the normal distribution. . .
Z-Score,
Percentile |
# 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. . .
Z-Score,
Percentile |
# 27 :: 10/29/07
|
What does percentile rank mean?. . .
Percentile,
Percentile Rank |
