2/2/2023-HW More Sampling Methods

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A sample that divides a population into random segments and then surveys every member in one or more (but not every) random segments is called a:

A sample taken of a selection of the population that is easy to get to is called a:

A sample that divides a population into specific segments and then takes a random sample from each segment is called a:

A sample that uses every 'nth' member of the population, for instance, surveying every 5th person who walks into the door of your school, is called a:

Ways of generating random samples include: (check all that apply)

Use a computer generated random number generator.

Write all of the names of your population on a slip of paper and draw 10 random names from a hat.

Select every 5th person that leaves the school.

A student asks 18 friends to participate in a psychology experiment. This type of sampling is called?

Twenty-five students are randomly selected from each grade level and surveyed about their study habits. This type of sampling is called?

A pregnancy study in Virginia, randomly selected 15 counties, then interviewed all available pregnant women in those counties. This type of sampling is called?

Calling randomly generated telephone numbers, a study asked 1001 US adults which cell phone provider they use. This type of sampling is called?

There are 12 boys and 13 girls in Mrs. Boyd's prob stats class. Mrs. Boyd randomly samples 5 girls and 7 boys. This type of sampling is called?

At UVA, reseachers who want to measure the college's effectiveness in achieving student learning outcomes decide to randomly select 10 classes and question all students in those 10 classes. This is an example of a:

At UVA, ten random students from every degree/certificate program on campus are questioned to measure the college's effectiveness in achieving student learning outcomes. This is an example of a:

A lobbyist for a major airspace firm assigns a number to each legislator and then uses a computer to randomly generate ten numbers. The lobbyist contacts the legislators corresponding to these numbers. This is an example of a:

A statistician separates the United States into people who live in urban areas and people who live in rural areas and randomly chooses 500 people from each area to ask about their experience with prescription drugs.

Ms. Page, a dance teacher, wants to know if students would go to an after-school dance. According to simple random sampling principles, which of these is the best method to survey students about the dance?

Ask 50 random students from Ms. Page's dance classes if they would attend.

Ask 50 random students in the school if they would attend.

Ask 50 random girls in the school if they would attend.

Ask 50 random students who attended the last dance.

A sample that divides a population into random segments and then surveys every member in one or more (but not every) random segments is called a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A sample taken of a selection of the population that is easy to get to is called a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A sample that divides a population into specific segments and then takes a random sample from each segment is called a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A sample that uses every 'nth' member of the population, for instance, surveying every 5th person who walks into the door of your school, is called a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

Ways of generating random samples include: (check all that apply)

Use a computer generated random number generator.

Write all of the names of your population on a slip of paper and draw 10 random names from a hat.

Select every 5th person that leaves the school.

A student asks 18 friends to participate in a psychology experiment. This type of sampling is called?

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

Twenty-five students are randomly selected from each grade level and surveyed about their study habits. This type of sampling is called?

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A pregnancy study in Virginia, randomly selected 15 counties, then interviewed all available pregnant women in those counties. This type of sampling is called?

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

Calling randomly generated telephone numbers, a study asked 1001 US adults which cell phone provider they use. This type of sampling is called?

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

There are 12 boys and 13 girls in Mrs. Boyd's prob stats class.  Mrs. Boyd randomly samples 5 girls and 7 boys.  This type of sampling is called?

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

At UVA, reseachers who want to measure the college's effectiveness in achieving student learning outcomes decide to randomly select 10 classes and question all students in those 10 classes.  This is an example of a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

At UVA, ten random students from every degree/certificate program on campus are questioned to measure the college's effectiveness in achieving student learning outcomes.  This is an example of a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A lobbyist for a major airspace firm assigns a number to each legislator and then uses a computer to randomly generate ten numbers.  The lobbyist contacts the legislators corresponding to these numbers. This is an example of a:

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

A statistician separates the United States into people who live in urban areas and people who live in rural areas and randomly chooses 500 people from each area to ask about their experience with prescription drugs.

Simple Random Sample

Stratified Sample

Cluster Sample

Systematic Sample

Convenience Sample

Ms. Page, a dance teacher, wants to know if students would go to an after-school dance.  According to simple random sampling principles, which of these is the best method to survey students about the dance?

Ask 50 random students from Ms. Page's dance classes if they would attend.

Ask 50 random students in the school if they would attend.

Ask 50 random girls in the school if they would attend.

Ask 50 random students who attended the last dance.