Sampling: Random, Systematic, and Stratified
Read this topicExplanations 4
- (Video) Simple Random, Convenience, Systematic, Cluster, and Stratified by Statistics Learning Centre Statistics Learning Centre has a great video describing the different types…
By Ben Ferrara, Alex Federspiel, Jonathan Heller, Amy Feraco
- Types of Sampling In statistics, we gather (hopefully) large amounts of data on subjects, so we can make inferences about the populations or groups they come from. These subject…
By Hannah Bonville, Alex Federspiel, Jonathan Heller
- Sampling\text{Sampling}Sampling In statistics we conduct surveys or studies on many different topics in order to learn something about the population we are studying. Often time…
By Victoria Rodriguez, Alex Federspiel
- Random, Systematic, and Stratified Sampling There are different ways to gather data for a presentation or a study. These are just 333 of the different ways to do so! Random A ra…
By Sarah Walker, Jonathan Heller, Alex Federspiel
Problems 20
- True or False\text{True or False}True or False === Simple random sampling would be affected if there is some type of pattern in the population.
- Which sampling method separates the population into groups before taking a sample?
- You decide to take a sample of a population for your study on who likes dogs or cats. You have a list of the 22,00022{,}00022,000 students at your school and decide to take a sa…
- While taking a sampling, you want the most unbiased and accurate sample of a population and do not care about the time it takes. Which method should you use?
- True or False\text{True or False}True or False === When you use stratified sampling, you split the population into random groups.
- Tristan wants to take a survey of his high school about who their favorite teachers are. He splits the school into Freshman, Sophomores, Juniors, and Seniors and then takes a sa…
- True or False\text{True or False}True or False === When taking a simple random sampling survey, you should first separate the wider population into smaller groups of people with…
- What type of sampling involves the population being broken up into groups, and members of the sample being taken from those groups?
- What adjective best describes the following sampling process? First group the entire population together. Members of the group are then chosen for the sample by chance.
- What type of sampling involves the sample being chosen from the population by a rule, such as "every 101010th person in the directory".
- Dividing a school up into grades and then choosing students randomly for a sample is an example of stratified‾\underline{\phantom{stratified}}stratified sampling
- Assigning every plant a number and having a computer randomly select a number is random‾\underline{\phantom{random}}random sampling
- Going through the phone book and choosing every 100100100th person to add to a sample of a study is
- Choosing every 151515th person who walks through the doors at a store to interview is an example of systematic‾\underline{\phantom{systematic}}systematic sampling.
- Assigning people a number, then randomly generating numbers from a computer and selecting the corresponding people is an example of random‾\underline{\phantom{random}}random sa…
- Which of the following is not true about stratified sampling?
- A survey is conducted in order to try and better understand the generational differences between Millennials and Generation Z. The survey begins with the entire population of pe…
- A survey is conducted in order to find out if more people are streaming movies online instead of going to the movie theater. The survey is conducted by asking every 777th person…
- Sarah wants to know about how many people in her high school enjoy football. In order to get a representative sample Sarah conducts a survey and asks 100100100 people in the hal…
- Which of the following is not an advantage of random sampling?