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9 Questions returned
No. & Date AskedQuestion
# 794 :: 8/10/09
Question 794 has been Answered
A psychologist has developed a test to measure self-control. The test is normed so that it has a mean of 100 and a standard deviation of 15... The s. . .

Z-Score, Percent Score, Percentile Rank, Area between

# 530 :: 12/2/08
Question 530 has been Answered
What score would it have taken to be in the 90th percentile in a test with a mean of 40 and standard deviation of 7. . .

Z-Score, Percent Score

# 516 :: 11/19/08
Question 516 has been Answered
Given a mean score of 70, standard deviation of 15,percentile of 23.Find the Z score,T score and raw score. Please explain how to work backward on a . . .

T score, Percent Score, Z-Score

# 500 :: 11/7/08
Question 500 has been Answered
In a recent year grade 8 Washington State public school students taking a mathematics assessment test had a mean score of 276.1 with a standard deviat. . .

Percent Score, Area between, Z-Score

# 493 :: 11/4/08
Question 493 has been Answered
On a police sergeants exam, the historical mean scored was 80 with a standard deviation of 20. Four offiers scored 195,175,191, and 189 respectively. . . .

Empirical Rule, Z-Score, Unusual Event, Percent Score

# 484 :: 10/25/08
Question 484 has been Answered
With a normal distribution of 50 and standard deviation of population =10, how do I figure out the score at the 40th percentile? How do I figure out t. . .

Z-Score, Area between, Percent Score

# 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

# 426 :: 9/29/08
Question 426 has been Answered
can individual scores of a 542 student be converted into percentage and fed into spss for anova and tukey test. . .

Percent Score, ANOVA

# 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