1. Explain measures of central tendency with a focus on its functions. Elucidate the characteristics of a good measures of central tendency.

2. Elucidate the fundamental concepts in determining the significance of the difference between means.

3. Compute Spearman's rank order coefficient of correlation for the following data <img src='./qimages/9073-3.jpg'>

4. With the help of test find if significant difference exists in early and late adolescents with regard to emotional intelligence. <img src='./qimages/9073-4.jpg'>

Critical value
For 0.01 level of significance =3.17

For 0.05 level of significance 2.23

5. Describe the concept of inferential statistics. Elucidate the general procedure for testing a hypothesis.

6. Tabulate cumulative frequency distribution for the following data with class interval of 5
10,12,13,15,10, 5,6,11,12,13,14,15.

7. Compute mean for the following grouped data: <img src='./qimages/9073-7.jpg'>

8. Explain average deviation.Compute standard deviation for the following data 25, 15, 10, 20, 10, 25, 12, 13, 11,9.

9. Define Probability. Discuss application of the normal curve.

Write short notes on any two of the following in about 100 words each:

10. Pie diagram

11. Linear relationship

12. Parametric statistics