Basic Random Samples

Identify the type of sampling technique

Inn a recent research that was conducted in a private school, the subjects of the study were selected by using the Table of Random Numbers.

• Simple Random Sampling

• Systematic Sampling

• Stratified Sampling

• Cluster Sampling

Write Samples: SRS, CLS, STR, CON, SYS according to the given picture. (Hint: SRS = just some or a number and no group, STR: some for EACH Group, CLS = ALL members in some Group, CON = some members for researcher's reason, condion or purpose, SYS: EVERY nth member)

Write Samples: SRS, CLS, STR, CON, SYS according to the given picture.

(From the population of polygons, the researcher collects randonly some shapes.)

Select all the options that would produce a random sample.

• Survey the first 50 people that walk in the doors.

• Survey everyone at his jazz band practice.

• Survey two randomly chosen students in every homeroom.

• Assign each student in the school a number, randomly choose 50 numbers, and survey those students.

• Survey every third student that he sees on his walk to school.

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Quartile

A sample in which each individual or object in the entire population has an equal chance of being selected.

• biased sample

• population

• random sample

• sample

Determine which one is an example of Simple Random Sample (SRS), Stratified Sample(STR), Cluster Sample (CLS), Systematic Sample (SYS), or Convenient Sample (CON) for the following statement:****************************************************************At the beginning of the school year, Mr. Manning sent an email to 108 teachers (FPHS teachers in total) in the school. However, he said he only received 101 email responses in the staff meeting report.

• STR

• CLS

• SYS

• CON

• SRS

Write Samples: SRS, CLS, STR, CON, SYS according to the given picture. (Hint: SRS = just some or a number and no group, STR: some for EACH Group, CLS = ALL members in some Group, CON = some members for researcher's reason, condion or purpose, SYS: EVERY nth member)

Which of the following command is used to find 20 random values between 20 and 30 ?

• sample(20,20:30,T)

• sample(20:30,20)

• sample(20:30,20,T)

• sample(20,20:30)

What is the command for selecting ‘n’ numbers at a random from the set 1 to N?

• nsample(1:N)

• samples(1,N)

• sample(1:N, n)

• sample(1,N,n)