Fundamentals of Mathematical Statistics (BCA) 1st Sem Previous Year Solved Question Paper 2022

Learn the Fundamentals of Mathematical Statistics with Jetty Study’s 2022 solved question paper for BCA 1st Sem. This paper covers all the important topics and concepts for your exam.

1. Define statistic.how do you think that the knowledge of statistic is essential in decision making? give example

2. The mean age of a group of 50 students is 15 years and the mean age of another group of 70 students is 20 yrs. Find the mean age of all the 120 students together.

3. Define tabulation of data and its objectives. Also write advantages and disadvantages of tabulation

4. Explain the use of harmonic mean as an average. Given the following frequency distribution of first year students of a particular college, calculate the harmonic mean.

5. Calculate the value of x and y from the following data. Given the median of the distribution is 28.5 and total students are 60.

6. Calculate Standard deviation and coefficient of variation of the following data :

7. Define various absolute measures of dispersion.

8. Find out median and mode for the following data :

9. Define Concurrent Deviation method of correlation. Calculate coefficient of concurrent deviation for the following data :

10. Following are the marks obtained by eight students in two subjects as given below :

11. What is meant by coefficient of correlation between two variables ? Also distinguish between positive correlation and negative correlation.

12. Calculate Karl Pearson's coefficient of correlation between X and Y :

13. What do you mean by regression? Why are there two regression lines in a bivariate series ? Can there be one regression line ?

14. The two regression equations, Regression equation of X on Y is 10x -2y=4 and regression equation of Y on X is 2y-5x=8, Find x,y and coefficient of correlation.

15. Define probable error.

16. Two limitations of regression analysis are:

17. Define variance.

18. Define the term frequency density.

19. Write merits and demerits of range.

20. If the sum and difference of upper and lower quartiles are 55 and 11 respectively, find the coefficient of quartile deviation.