Sampling Methods

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Social Media Polls: A political analyst conducts a poll on social media asking followers to share their opinions on a current political issue. Only those who choose to respond are included in the sample, which may not represent the broader population.

Tags

CCSS.HSS.IC.B.3

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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National Health Survey: In a national health survey, the government may stratify the population by geographic regions (e.g., urban, suburban, rural) to understand health disparities. Researchers randomly select participants from each region to ensure diverse representation across different living environments.

Tags

CCSS.HSS.IC.B.3

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Social Media Poll: A business wants feedback on a new product. They post a survey link on their social media pages and ask followers to respond. The feedback is gathered from those who are already connected to the business, rather than from a random sample of potential customers.

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Healthcare Access Survey: To assess healthcare access in a rural region, researchers divide the region into villages. They randomly select 5 villages and survey all the residents in those villages to understand their access to healthcare services.

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Bus Passenger Survey: A city transportation department wants to survey 200 passengers out of 2,000. After selecting a random starting point, such as the 15th passenger, they then select every 10th passenger from there (15th, 25th, 35th, etc.) until they reach the desired sample size.

Tags

CCSS.HSS.IC.B.3

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Lottery Draw: In a lottery, each participant is assigned a number. To determine the winner, the organizers use a random number generator to select one number from the pool. Each participant has an equal chance of winning.

Tags

CCSS.HSS.IC.B.3

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Library Book Selection: A librarian wants to randomly select 20 books from a collection of 1,000 for a special display. They assign each book a number and use a random number generator to select the 20 books. Each book has an equal chance of being chosen.

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Household Income Survey: In a national income survey, the government divides the country into districts. A random selection of districts is made, and all households within the selected districts are surveyed to gather income data.

Tags

CCSS.HSS.IC.B.3

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Inventory Check: A retail store manager needs to check 100 items from a stock of 1,000 to verify inventory. After randomly selecting a starting item (e.g., item #3), they check every 10th item after that (item #3, #13, #23, etc.) until 100 items are checked.

Determine which of followings is a Sampling of Voluntary (VOL) Convenience (CON), Stratified (STR), Cluster (CLS), Simple Random (SRS), Systematic Random (SYS)

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Employee Engagement Study: A corporation wants to assess employee engagement across its various departments (e.g., Marketing, Sales, IT, HR). They group employees by department and randomly select a certain number of employees from each department to participate in the survey, ensuring that each department's perspectives are included in the analysis.