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2 Questions returned
No. & Date AskedQuestion
# 415 :: 9/27/08
Question 415 has been Answered
how do i find the lower 25% and upper 75% and the interquartile range. . .

Interquartile Range

# 379 :: 9/11/08
Question 379 has been Answered
1 a. with a mean of 300 and a standard deviation of 80, how high a score do you need to be in the top 30%? 1 b. What is the interquartile range for. . .

Interquartile Range, Z-Score