Analysing data

Table of Contents

1. Analysing data
2. Contents:
3. The database:
4. Data cleaning
5. Correcting the database
6. Analysis plan
7. Describing the sample
8. Averages
9. T-test:
10. Doing the T-test yourself
11. The results of the T-test
12. Redoing the T-test
13. In Summary

Redoing the T-test

The answer you should get is :

The means are 46.13 and 19.8. The difference is 26.33 (95% Confidence interval: 14.1 - 38.6). p value of 0.0002.

This treatment improves wellbeing by 26.33 (on a scale of 0-100) in our sample. In the population the improvement might be between 14 to 38.6 (on a scale of 0-100).