Question
For each of the categorical variables, find mean and standard deviation of body mass index and enter values in the table below (you may need
- For each of the categorical variables, find mean and standard deviation of body mass index and enter values in the table below (you may need to add more rows):
Variable | Categories | n | Mean +/- sd |
|---|---|---|---|
Sex | Male = 1 | 2047 | 25.9 +/- 3.3 |
Sex | Female = 2 | 2643 | 25.3 +/- 4.5 |
CHD | Otherwise = 0 | 3218 | 25.1 +/- 4.0 |
CHD | Patient developed CHD at follow-up = 1 | 1472 | 26.5 +/- 4.1 |
Based on the table above, does it appear that any of the variables are related to body mass index (check to see if the means are different between categories for a particular variable)?
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Linear Algebra A Modern Introduction
Authors: David Poole
3rd edition
9781133169574 , 978-0538735452
