Pretest of Mathematical Essentials for Statistics.- 1. The Nature of Statistical Methods.- 2. Averages.- 3. The Standard Deviation.- 4. Normal Probability Curve.- 5. Statistical Inference.- 6. Percentiles and Percentile Ranks.- 7. Skewness and Transformed Scores.- 8. Pearson Product Moment Coefficient of Correlation.- 9. Regression Equations.- 10. More Measures of Correlation.- 11. Chi Square.- 12. Nonparametric Statistics Other than Chi Square.- 13. Simple Analysis of Variance.- 14. Standard Errors of Differences.

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