HOLI DAY HOME WORK FOR XI CLASSES.

AUTOMUN BREAK HOME WORK

CLASS - XI HUMANITIES AND COMMERCE.

STATISTICS FOR ECONOMICS

Chapter: - 1.  Economics - An Introduction.

ONE MARK QUESTION

1. Who is the father of Statistics ?

2. Define economics.

3. What do you mean economic activities and Non - economic activities?

THREE MARKS QUESTION: -

1.' Economics is a study of scarcity' Discuss.

2. Discuss main three economic activities.

Chapter: - 2.  Meaning, Scope and Importance of economics: -

1. ONE MARK QUESTION

1. Define Statistics in plural form

2. Briefly explain the meaning of s Statistics in singular sense .

3. Mention two important  function of Statistics

4. What is meant by statistical tools.

THREE MARKS QUESTION : -

1. Define statistics in plural sense. Point out its characteristics.

2. Define statics in singular noun. Discuss various statistics tools.

3.  Explain three function of statistics.

4. Discuss the importance of statistics in economics.

2. COLLECTION OF DATA: -

ONE MARK QUESTION: -

1. What do you mean by  a statistical enquiry?

2. What are the main sources of data?

3. What do you mean by primary data?

4. What is meaning of secondary data?

5. What is meant by Census method ?

What is sampling?

3 or 4  MARKS QUESTION: -

1. What is Primary data? Mention its different methods.

2. What do you mean Direct personal method? Give its merits and demerits.

3. Differentiation between direct personal investigation and indirect personal investigation.

4. Distinguish between census and sampling method.

5. What is random sampling ? What are its merits and demerits.

 6 MARKS QUESTIONS: -

1. Distinguish between primary data and secondary. Which data is most reliable and why?

2. Discuss the published sources of secondary data.

3. Discuss random method of sampling .

4. What do you mean by Questionnaire? What are the qualities of good questionnaire?

3. ORGANISATION OF DATA

ONE MARK QUESTION: -

1. What is meant by classification of data?

2. What is meant by statistical series?

3. What is meant by variable?

4. What is meant by class interval?

5. What is meant by mid - point?

3 or 4   MARKS QUESTION: -

1. State the different methods of classification.

2. Explain the different methods of classification.

3 Distinguish between Inclusive and Exclusive series.

6.  MARKS QUESTIONS: -

1.Define classification. Describe its main objectives.

2. Explain different methods of classification.

3. Briefly discuss the ' inclusive and exclusive' methods of classification.

4.What do you mean by cumulative frequency distribution ?   Explain with the help of an example.

5. TABULAR PRESENTATION: -

1 MARKS QUESTIONS: -

1.  What is meant by tabulation?

2. What is meant by caption and stub ?

3.  what is general purpose table?

3 or 4  MARKS QUESTIONS: -

1.  Discuss the essential of a good table.

2. Distinguish between tabulation and classification.

6 MARKS QUESTIONS: -

1. What is tabulation? Discuss its objectives in brief.

2. Briefly explain the following: -

3.  General purpose and  special purpose table, simple and complex table.

6. DIAGRAMMATIC PRESENTATION

 1 MARK QUESTIONS : -

1. What is diagrammatic presentation?

2. What is meant by one dimensional diagram?

3. What is meant by multiple diagram?

3 or 4 Marks questions: -

1. What is meant by Sub divided bar diagram?

2. Mention three dimensional diagram?

3. What are the difference between sub divided and percentage bar diagram.

6. DIAGRAMMATIC PRESENTATION

1. Describe briefly the general guide lines for construction diagrams.

2. What do you mean by ' Pie diagram' ? Discuss the steps involve in construction it.

3. Discuss the advantages of diagrammatic presentation.

7. GRAPHIC PRESENTATION: -

1 MARK QUESTIONS: -

1. What is graphic presentation ?

2. What is frequency diagram?

3. What is cumulative frequency curve/

3 or 4 MARKS QUESTION: -

1.  Distinguish between histogram and bar diagram.

2. Mention three advantages of graphic presentation.

3. State three objectives of using false line.

6 MARKS QUESTIONS: -

1 Discuss the advantages of graphic presentation.

2. Discuss the limitation of graphic presentation.

3. What is Ogive curve? How is it construction?

4. What is meant by Histogram? Prepare a histogram of the following data: -

  

MARKS	0-10	10-20	20-30	30-40	40-50
No. of Students	30	45	55	60	35

5. Construct a frequency polygon: -

  

No. of Room	1	2	3	4	5	6
No. of House	10	15	20	10	5	4

ARITHMATIC MEAN

1 MARK QUESTION: -

1. Define Central tendency.

2. State on objective of an average.

3. What is weighted arithmetic mean?

3 or 4 Marks Questions: -

1. Explain any four merits and demerits of arithmetic mean.

2. What is meant by weighted  mean? Explain the steps involve in weighted mean.

3. Find the arithmetic mean  from the given data: -

    

Marks	20	30	40	50	60	70
No. of Students	8	12	20	10	6	4

4. Calculate the Average marks  by 1. Direct method, 2. short cut method (iii) Step deviation method: -

Marks	0-5	5-10	10-15	15-20	20-25
N. of students	2	8	6	10	4