A STATISTICAL MANUAL FOR FORESTRY RESEARCH

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

REGIONAL OFFICE FOR ASIA AND THE PACIFIC

BANGKOK

ACKNOWLEDGEMENTS

INTRODUCTION

NOTATION

1. STATISTICAL METHOD IN SCIENTIFIC RESEARCH

2. BASIC STATISTICS

2.1. Concept of Probability

2.2. Frequency distribution

2.3. Properties of frequency distribution

2.4. Discrete theoretical distributions

2.5. Continuous theoretical distributions

3 STATISTICAL INFERENCE

3.1. Tests of hypotheses

3.2 Test of difference between means

3.4 Test of proportions

3.5 Test of goodness of fit

3.6. Analysis of variance

3.7. Transformation of data

3.8. Correlation

3.9. Regression

3.10. Analysis of covariance

3.11 Analysis of repeated measures

4. DESIGN AND ANALYSIS OF EXPERIMENTS

4.1 Principles of experimentation

4.2. Completely randomized design

4.3. Randomized complete block design

4.4. Factorial experiments

4.5. Fractional factorial design

4.6. Split plot design

4.7. Lattice designs

4.8. Response surface designs

5. SAMPLING TECHNIQUES

5.1. Basic concepts of sampling

5.2. Simple random sampling

5.3. Systematic sampling

5.4. Stratified sampling

5.5. Multistage sampling

5.6. Multiphase sampling

5.7. Probability Proportional to Size (PPS) sampling

6. SPECIAL TOPICS

6.1 Genetics and plant breeding

6.2. Forest mensuration

6.3. Forest ecology

6.4. Wildlife biology

7. Concluding remarks

8. bibliography

Appendix 1. Percentage points of the normal distribution

Appendix 2. Student’s t distribution

Appendix 3. F distribution (5%)

Appendix 4. Distribution of c ²

Appendix 5. Significant values of correlation coefficient

Appendix 6. Random numbers

Appendix 7. Elementary mathematical and statistical concepts