(i) There are many sources of data (true/false)(ii) Telephone survey i

1.	(i) There are many sources of data (true/false)(ii) Telephone survey is the most suitable method of collecting data, when the population is literate and spread over a large area (true/false)(iii) Data collected by investigator is called the secondary data (true/false).(iv) There is a certain bias involved in the non-random selection of samples (true/false)(v) Non-sampling errors can be minimized by taking large samples (true / false)
Answer» (i) False. (ii) False. (iii) False. (iv) True. (v) False.

(i) There are many sources of data (true/false)(ii) Telephone survey is the most suitable method of collecting data, when the population is literate and spread over a large area (true/false)(iii) Data collected by investigator is called the secondary data (true/false).(iv) There is a certain bias involved in the non-random selection of samples (true/false)(v) Non-sampling errors can be minimized by taking large samples (true / false)

Answer»

(i) False.

(ii) False.

(iii) False.

(iv) True.

(v) False.