CONTENTS
1. Introduction for students
2. Counting and measuring
3. Frequency distributions
4. Measures of central value
5. Measures of variability
6. Correlation
7. Probability and mathematical distributions
8. Statistical estimations and inferences
9. Significance of differences
10. Hypothesis testing
11. Chi square
12. Non parametric or distribution-free statistics
13. Analysis of variance
14. Special correlation methods and problems
15. Prediction and accuracy of prediction
16. Multiple prediction
17. Reliability of measurements
18. Validity of measurements
19. Test scales and norms
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