Index Numbers — Economics STD 11 Commerce — Question

Name the steps for constructing cost of living index number.

Give the formula for calculating arithmetic mean by Step Deviation Method in continuous series.

What kind of data is collected by NSSO?

Classify the following as fixed cost and variable cost:
Telephone bill over and above the minimum bill.

What is the importance of presenting data in graphical form? Which value is key to the graphical presentation of the data?

Define normal profits.

What is non-random sampling ?

Who is an employee?

Suppose the price of a touch-screen mobile is ₹ 15,000. How would you expect its demand curve to be affected with a favourable shift in tastes and preferences of the consumers, price remaining unchanged ?

Give the meaning of statistics in plural sense.