What will be your target group of your project related to cars?

Write down the sources of secondary data.

When are secondary sources of data usually used?

What precautions should be taken while using secondary data?

Name any three statistical tools.

What is a questionnaire?

Differentiate between Primary Data and Secondary Data.

Write down the essential qualities of a good questionnaire.

Show the following data with the help of a bar-diagram. Through which media do the people know about the product?

On the basis of the following information find out which types of air-conditioners are preferred by the people. Bases of preference are (i) Brand, (ii) Price, (iii) After sales service, and (iv) Technology.

Table

(in percentage)

From the following information, tell us which type of air conditioner you will prefer to buy and why? (Find out with the help of arithmetic mean).

Consumers Awareness about air-conditioners

(in percentage)