Class 11 Economics Important Chapter 18 Central Tendency

Class 11 Economics Important Chapter 18 Central Tendency Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters ASSEB Class 11 Economics Important Solutions and select need one. AHSEC Class 11 Economics Additional Notes English Medium Download PDF. HS 1st Year Economics Important Solutions in English.

Class 11 Economics Important Chapter 18 Central Tendency

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam AHSEC Board Class 11 Economics Additional Question Answer are part of All Subject Solutions. Here we have given HS 1st Year Economics Important Notes in English for All Chapters, You can practice these here.

Central Tendency

Chapter: 18

PART – B : STATISTICS FOR ECONOMICS

IMPORTANT QUESTION AND ANSWER

Short Type Questions and Answers:

1. What is the main purpose of the grouping method in calculating mode?

Ans: To determine the modal value when frequencies around the highest frequency vary irregularly.

2. How many columns are prepared in the grouping table?

Ans: Six columns.

3. What is marked in the first column of the grouping table?

Ans: The maximum frequency.

4. How are frequencies arranged in the second column of the grouping table?

Ans: They are grouped in twos.

5. In the third column, how are frequencies grouped?

Ans: The first frequency is left out and the rest are grouped in twos.

6. What grouping is done in the fourth column?

Ans: Frequencies are grouped in threes.

7. How is the fifth column grouped?

Ans: The first frequency is left out, and the rest are grouped in threes.

8. What is done in the sixth column of the grouping table?

Ans: The first two frequencies are left out and the rest are grouped in threes.

9. What is done after preparing the grouping table?

Ans: An analysis table is prepared.

10. In the analysis table, what is written on the left-hand side?

Ans: The column numbers from the grouping table.

11. In the analysis table, what is written on the right-hand side?

Ans: The expected values of the mode.

12. How is the modal class finally identified?

Ans: By finding the value with the highest relative frequency in the analysis table.

13. When is the observation method not suitable for finding mode?

Ans: When frequencies around the highest frequency are uneven or very low.

14. What is the advantage of using the grouping method?

Ans: It gives an accurate modal value in irregular frequency distributions.

15. What indicates the mode after completing the analysis table?

Ans: The value corresponding to the highest total in the relevant column.