ASSIGNMENT

1. What is statistics? Discuss its applications in your subject related area?

2. Discuss briefly about the sources of data?

3. What do you mean by frequency distribution? What is a graph?

4. Describe the advantages of graphical representation of statistical data.

5. Discuss briefly about different types of bar diagrams.

6. Prove that, AM ≥ GM ≥ HM.

7. What should be the characteristics of a good measure of central tendency?

8. Calculate AM for the following frequency distribution:

Family size (x) 2 3 4 5 8

No. of families (f) 5 10 5 6 5

9. For the following distribution, construct multiple & component bar diagrams:

Section E1 E2 I

Male 40 45 55

Female 5 10 15

10. The AM of 5 numbers is 6. If a number is 5, what is the AM of the other 4?

11. AM of 3, 5, x, 6 equals AM of 3, 9. Find the value of x.

12. Find the two numbers whose AM=10 and GM=8.

13. Find the mean and mode for the series 1, 2, 3 ……… 900.

Md. Mortuza Ahmmed