Index Numbers — Economics STD 11 Commerce — Question

The headings of the rows given in the first column of a table are called:

Which activity is the base of all production activities?

The following data relate to the marks of a group of students:

Marks	No. of students
10	15 Below
20	38 Below
30	65 Below
40	84 Below
50	100 Below

How many students get marks more than 30?

Statistics as a plural noun indicates:

The breath of a rectangle is equal to the length of the class-interval in:

AR curve is more elastic under monopolistic competition than under monopoly due to:

Cost of living index numbers are also used to find real wage by the process of:

Rank correlation is a superior method of analysis in case of _______ distribution.

In case of perfect competition:
i. a firm is able to charge higher price
ii. a firm is able to charge uniform price
iii. a firm is able to sell any amount at the prevailing price