Types of Random Sample

A numerical characteristic of the POPULATION

• Statistic
• Parameter
• Observation
• Study

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

A quantity calculated from the observations in a SAMPLE.

• Parameter
• Study
• Statistic
• Observation

Tags

CCSS.HSS.IC.B.4

A sportswriter wants to know how strongly Toledo residents support the Toledo MudHens baseball team. She stands outside the stadium one summer day to interview the first 20 people that enter the stadium. The population for this survey is...

• all people at the game
• all MudHens fans
• all Toledo residents
• everyone in the world

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sportswriter wants to know how strongly Toledo residents support the Toledo MudHens baseball team. She stands outside the stadium one summer day to interview the first 20 people that enter the stadium. The sample for this survey is...

• all people at the game
• all MudHens fans
• the 20 people who share opinions
• Toledoans

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A quality inspector on an assembly line randomly chooses one of the first 50 ovens manufactured that day. This oven & every fiftieth oven thereafter get inspected. (example of a sample: oven #3,#53,#103, etc…or #17,#67,#117, #167, etc…) This type of sampling method is called:

• completely randomized design
• SRS simple random sampling
• systematic random sampling

Tags

CCSS.HSS.IC.B.3

The process of gathering information/data from EACH member of the population.

• Census
• Interview
• Survey
• Questionnaire

Tags

CCSS.6.SP.B.5

A television station invites viewers to call in and name their favorite show.

• Convenience
• Self-Selection
• Systematic
• Random

A psychologist uses a computer program to randomly select names from a list of students at a university.  The members of the sample will take a survey about student housing at the university. 

• Convenience
• Self-Selection
• Systematic
• Random

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine the type of sampling used in the following scenario: Divide students into freshmen/sophomores and juniors/seniors and then conduct a survey about the amount of time spent studying.

• Systematic
• Simple Random
• Cluster
• Stratafied

Determine the type of sampling used in the following scenario: Randomly generate 5 area codes from the state of New York and count the number of high school students for each high school in the area code region.

• Systematic
• Simple Random
• Cluster
• Stratafied

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1