To gather information about a population

To predict the outcome of an election

To influence public opinion

To raise money for a political campaign

A census collects data from the entire population, while a poll collects data from a sample of the population

A census is conducted by the government, while a poll is conducted by a private organization

A census is more accurate than a poll

A census is more expensive than a poll

The difference between the sample size and the population size

The difference between the sample mean and the population mean

The range of values within which the true population parameter is likely to fall

The probability of obtaining a sample that is representative of the population

A probability sample is selected randomly, while a non-probability sample is selected based on convenience or other non-random criteria

A probability sample is more accurate than a non-probability sample

A probability sample is more expensive than a non-probability sample

A probability sample is more time-consuming to conduct than a non-probability sample

To adjust the sample data to match the population distribution on certain characteristics

To increase the sample size

To reduce the margin of error

To make the poll results more accurate

A cross-sectional survey collects data from a sample of the population at one point in time, while a longitudinal survey collects data from the same sample of individuals over a period of time

A cross-sectional survey is more accurate than a longitudinal survey

A cross-sectional survey is more expensive than a longitudinal survey

A cross-sectional survey is more time-consuming to conduct than a longitudinal survey

A structured interview uses a standardized questionnaire, while an unstructured interview allows the interviewer to ask open-ended questions

A structured interview is more accurate than an unstructured interview

A structured interview is more expensive than an unstructured interview

A structured interview is more time-consuming to conduct than an unstructured interview

Face-to-face interviews are more accurate than telephone interviews

Face-to-face interviews are more expensive than telephone interviews

Face-to-face interviews are more time-consuming to conduct than telephone interviews

All of the above

Mail surveys are more accurate than online surveys

Mail surveys are more expensive than online surveys

Mail surveys are more time-consuming to conduct than online surveys

All of the above

Focus groups are used to gather qualitative data, while surveys are used to gather quantitative data

Focus groups are more accurate than surveys

Focus groups are more expensive than surveys

Focus groups are more time-consuming to conduct than surveys

Sampling error

Non-response error

Measurement error

All of the above

Using a larger sample size

Using a more representative sample

Using a more carefully designed questionnaire

All of the above

Protecting the privacy of respondents

Ensuring the confidentiality of responses

Avoiding bias in the design and conduct of the poll

All of the above

Identifying public opinion on specific issues

Evaluating the effectiveness of government programs

Providing feedback to policymakers

All of the above

Polls can be inaccurate

Polls can be biased

Polls can be used to manipulate public opinion

All of the above