Posted by Jack (22.214.171.124) on September 18, 2000 at 11:00:12:
In Reply to: Results Of Survey and Thoughts (almost longer than the bible) posted by Miguel on September 18, 2000 at 10:09:26:
A neat little statistical device that demonstrates the relationship between variables. There is lot of software that will perform this automatically.
You need to quantify your results. Expand your sample size and make it as random as possible. Sampling is a very powerful tool if done properly. Relatively small sample sizes can accurately predict large populations if the sample is collected properly. The key to sampling is this: every member of the population has an equal chance of being selected.
Get actual blood pressure readings from this randomly chosen sample size. Actual blood pressure readings from all people is available. You would also need to normalize this data and control for age, gender, illness, etc.
Regression analysis will tell you if there is a relationship between BP and clusters. If there is a relationship this many not be causative but rather associative. A third variable or variables could be causing this BP deal and causing clusters.
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