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Introduction to Statistics

Secondary dat...

Question

Secondary data is the data collected ________________.

A

by investigation

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B

from published sources

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C

by conducting survey

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D

Both A & C

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Solution

The correct option is A from published sources
Secondary data is second hand data, it is data that has already been collected (likely with a different purpose in mind) and/or published.

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Q. Complete the following observations:

(i) Secondary data is the data ____________.
(ii) Sources of secondary data are ____________.
(iii) Primary data are always collected directly from the individuals ____________.
(iv) Pilot survey is conducted to assess ____________.

Q. State whether the following statements are True or False.
(i) There are many sources of data
(ii) Telephone survey is the most suitable method of collecting data, when the population is literate and spread over a large area.
(iii) Data collected by investigator is called the secondary data.
(iv) There is a certain bias involved in the non-random selection of samples.
(iv) Non-sampling errors can be minimised by taking large samples.

When the information is collected from a source, which already has gathered it, such data is called as secondary data.

Q. A pharmaceutical company is conducting a survey of people with genetic defects, partnering with a hospital. Sensitive data about the health defects and lifestyle of the respondents need to be collected. What mode of data collection is most appropriate for this?

State true or false.

When the information is collected from a source which already has gathered it, such data is called secondary data.

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