IGNOU BPC-04 - Statistics in Psychology

SECTION A Answer the following question in about 1000 words each (wherever applicable) 1. Explain the two types of inferential procedures. Describe the general procedure for testing a hypothesis. 2. Emotional Intelligence Scale and Occupational Stress Scale were administered to a group of employees. The scores obtained are given below. Calculate Pearson’s Product Moment Correlation for the following data: 3. The scores obtained by the two groups of students on achievement motivation scale are given as follows, compute t test and find if significant difference exists between the two groups: SECTION B Answer the following questions in about 400 words (wherever applicable) each. 4. Describe various ways in which a data can be presented graphically with the help of suitable diagrams. 5. Compute mean and standard deviation for the following data: 23, 34, 56, 54, 45, 67, 65, 78, 76, 87 6. Compute Chi-square for the following data: 7. Describe the properties and limitations of quartile deviation and average deviation. 8. Describe various scales of measurement with suitable examples. SECTION C Answer the following in about 50 words each 9. Importance of tabulation 10. Characteristics if a good measure of central tendency 11. Absolute and relative dispersion 12. Coefficient of variation 13. Direction of correlation 14. Disadvantages of nonparametric statistics 15. Test of independence as an application of chi-square test 16. Probability distribution 17. Skewness 18. The equation of normal curve

SECTION A Answer the following question in about 1000 words each (wherever applicable) 1. Define statistics and describe its types, scope and uses. 2. Calculate Spearman’s Rank Order Correlation for the following data: 3. The scores obtained by the two groups of employees on self concept scale are given as follows, compute t test and find if significant difference exists between the two groups: SECTION B Answer the following questions in about 400 words (wherever applicable) 4. Compute mean and standard deviation for the following data: 12, 13, 14, 15, 16, 23, 23, 12, 12, 10 5. Describe tabulation of data. 6. What are linear and non-linear relationships? Explain the direction of correlation. 7. Compute Chi-square for the following data: 8. Explain the fundamental concepts in determining the significance of the difference between means. SECTION C Answer the following in about 50 words each 9. Cumulative frequency curve 10. Point estimation 11. Frequency polygon 12. Dispersion 13. Properties of quartile deviation 14. Scatter diagram 15. Parametric statistics 16. Kendall’s tau 17. Test of goodness of fit 18. Types of probability