topic Quartile Calculations from Samplesize and difference in Statistical Procedures

Quartile Calculations from Samplesize and difference

soham — Tue, 26 Apr 2011 18:49:56 GMT

Hi,
Can someone provide some help for calculating Q1, Q3 from sample size of each group?
Here is an example:
I have two groups with sample values and difference from Compared.

Group A Group B Difference(A-B)

Yes 100/150(66.7%) 80/160(50.0%) 16.7

No 50/150(33.3%) 80/160(50.0%) -16.7

Thanks,
Srisoham

Re: Quartile Calculations from Samplesize and difference

Ksharp — Wed, 27 Apr 2011 01:13:47 GMT

Give you an example.Maybe it would help you a little.

[pre]
proc means data=sashelp.class nway;
class sex;
var weight;
output out=want q1= q3= /autoname;
run;
[/pre]

Ksharp

Re: Quartile Calculations from Samplesize and difference

Reeza — Wed, 27 Apr 2011 01:30:03 GMT

Your data appears categorical...I'm not sure quartiles will be a valid measurement.

You need the data points to calculate the quartile you can't use the sample size and difference directly.