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1. ### Statistics question...IQR!!!?

IQR = Inter Quartile Range = Upper Quartile...deviation 25th percentile = mean - 0.6745*standard deviation So in this case IQR of IQs is 110.79 - 89.21 = 21.58 By the way, your...

1 Answers · Science & Mathematics · 19/08/2008

2. ### statistics help (IQR)?

IQR=Q3-Q1 Supposedly, you can write down a list of number...

1 Answers · Science & Mathematics · 24/09/2008

3. ### how do i find any outliers by using the IQR ?

IQR = Q3 - Q1 = 35.5 - 13.5 = 22. An outlier is a value that falls more than 1.5*IQR away from Q1 or Q3. Thus, Q1 - 1.5*IQR = 13...

1 Answers · Science & Mathematics · 23/09/2010

4. ### if my IQR is 1.8 and my standard deviation is 1.3 what does that mean?

IQR is Inter-quartile range. It means the spread of ... unlike in case of Range, another measure of ddispersion A small IQR describes high uniformity or small variation of the central 50% of items...

1 Answers · Science & Mathematics · 18/04/2012

5. ### In statistics, What is IQR?

IQR means interquartile range. See http://en.wikipedia.org/wiki/Interquartile_range You take the IQR of a distribution or of a data set, not a number. So "what is...

1 Answers · Science & Mathematics · 15/09/2011

6. ### Statistics - IQR? Expected Cost? Experts possibly?

1) Correct. 2) The IQR is the interquartile range of your distribution...mean + sigma * 0.6745 and Q1 = mean - sigma * 0.6745, so IQR = Q3 - Q1 = mean + sigma * 0.6745 - (mean - sigma...

1 Answers · Education & Reference · 12/07/2011

7. ### How to find the IQR.?

IQR=Q3-Q1 Q1=n/4 10/4=2.5 the 2.5th number in your sequence is 11 Q3=3(n/4) 3(2.5)=7.5 the 7.5th number is 17 so IQR = 17-11 =6 Perrettt02

3 Answers · Science & Mathematics · 21/02/2008

8. ### What is an IQR of a Box and Whiskers Plot?

IQR = interquartile range IQR = Q3 - Q1 IQR = the difference between the third and first quartile in a box plot this means subtracting the two ends of the box

2 Answers · Science & Mathematics · 10/05/2013

9. ### what is the iqr weight steers with a mean of 1145 and a standard deviation of 85?

ANSWER: IQR = [1088, 1202] Why??? The Table for ...39;area' = 1 - 0.25. The MIDDLE 'area' (IQR) is z +/- 0.674. IQR = 1145 +/- 0.674 * 85

1 Answers · Science & Mathematics · 20/12/2010

10. ### IQR Stats Probability Question?

the IQR = Q3 - Q1 look up the q3 and the q1 in the z score table i think it...z=x - mean/sd 0.67 = x - 32000 / 2500 x=33675 -0.68=x - 32000 / 2500 x = 30300 IQR=33675 - 30300 =3375 miles im not sure if thats the right answer but...

1 Answers · Science & Mathematics · 06/10/2012