Which of the following is NOT a suitable way to phrase a questionnaire question?

'How often do you use computers?'

'If plastic bags are only 5 percent of our garbage, should it be banned?'

'Do you think use of chemical fertilisers?'

'Wouldn't you be opposed to increase in price of petrol?'

In a lottery method, why is it important to mix the slips containing names well before drawing them?

To ensure that each slip has an equal chance of being selected.

To make the process more time-consuming.

To avoid selecting the first slip by mistake.

To create bias in the selection process.

Which of the following is an advantage of using the sample method over the survey method?

Surveys provide more accurate results.

Sample method is less time-consuming.

Sample method involves larger investigations.

Why is it essential to avoid ambiguity in questionnaire questions?

To make the questionnaire longer.

To challenge respondents' thinking.

To ensure that respondents can answer accurately.

To encourage respondents to skip questions.

What is the main difference between primary data and secondary data?

Primary data is collected by an investigator, while secondary data is collected by respondents.

Primary data is collected for the current research problem, while secondary data is collected for past research problems.

Primary data is raw and unprocessed, while secondary data is processed and modified.

Primary data is more cost-effective than secondary data.

What is the primary advantage of using the lottery method for sample selection?

It ensures that the sample is truly random.

It requires specialized knowledge.

It minimizes non-sampling errors.

Which of the following is NOT a characteristic of non-sampling errors?

They can be minimized by increasing the sample size.

They include errors related to data collection.

They are difficult to rectify once they occur.

They can result from personal bias of the investigator.

What is the primary purpose of using random number tables in selecting a sample?

To ensure that all units of the population are selected.

To make the selection process faster.

To introduce bias in the sample selection.

To locate and rectify errors in the sample.

Which of the following is an example of a two-way question with 'Yes' or 'No' as possible responses?

'How often do you use computers?'

'What is the monthly income of your family?'

'What is the yield per hectare in your field?'

Collection of Data - 2 Free MCQ Practice Test with Solutions

	Statistics for Economics - Class XI 51 videos\|41 docs\|12 tests

	Statistics for Economics - Class XI 51 videos\|41 docs\|12 tests

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