Introduction — Economics STD 11 Commerce — Question

Does zero correlation mean independence?

Which method is considered 'ideal' for constructing index number and why?

What do you understand by substitutes ?

What are the sources of collection of secondary data? Name any six of such sources.

What do you mean by budget set of a consumer?

Frame at least four appropriate multiple-choice options for following questions:
Which of the following is the most important when you buy a new dress?

Give the formula to calculate rank correlation coefficient with:

1. non-repeated ranks.
2. repeated ranks.

When is demand elastic?

While making a board-room presentation related to sales in different quarters Kshitij made extensive use of graphs. Which advantage of graph is indicated in the above usage?

Why do the central problems arise in all economies, rich or poor?