Prepare a discrete frequency distribution of shoe size of your class XI students.

7	6	7	8	9	6	7	9	10	12	7	7
6	8	9	10	11	11	10	9	12	11	10	8
9	7	6	10	11	12	10	9	9	8	7	6

6

(a)

Convert the series given below into exclusive series.

Age	No of Students
(x)	(f)
0-9	3
10-19	4
20-29	10
30-39	7
40-49	6

6

(a)

Define classification. What are objectives of classification?

6

(a)

Explain different ways of classifying data.

6

(a)

Explain important terms related to a frequency distribution.

6

(a)

What is a statistical series? Explain different types of statistical series on the basis of character

6

(a)

Explain the steps involved in construction of a discrete series

6

(a)

What is a variable? Differentiate between discrete and continuous variable.

6

(a)

Differentiate between inclusive and exclusive series

6

(a)

Differentiate between Individual, discrete and continuous series.

6

(a)