When a researcher who is studying "serious tennis players" asks 200 people if they qualify as this type of player, and then asks those who do qualify to suggest the names of two other "serious tennis players", which sampling method is used in the given situation with explanation?

Q: To survey 100 out of 600 people on a phone list, a researcher calls person #5, #11, #17, #23, etc.…

A: Solution: From the given information, 100 out of 600 people on a phone list is to be surveyed and…

Q: A company uses a computer to identify 600 most loyal customers from his database then service those…

A: A company uses a computer to identify 600 most loyal customers from his database then service those…

Q: When does Random sampling can be very difficult?

A: Simple random sample: In a simple random sample, each unit in the population has the equal chance of…

Q: In a study, the sample is chosen by asking our 40 closest friends    What is the sampling method?…

A: In stratified sample, the population is divided into stratas while the different samples have been…

Q: A university is polling its students. It selects 200 students at random in the same proportions as…

A: Stratified random sampling is a process of sampling which uses different groups of the population…

Q: both companies used the same sample size, what does this imply about the margin of error for each…

A:

Q: A recent survey of 537 California college students found that 481 had taken an online class in the…

A:

Q: Problem: Which double sampling plan should be used for a lot size of 1500 and an LTPD of 5% with a…

A:

Q: The average age of the MBA students in a statistics class is 30.7 years old. The ages of five…

A: Given data: 36, 25, 25, 29, 30.

Q: Assume we do a simple random sample, where we have the same number of secondary units. Will cluster…

A: Since in the first case, the number of secondary units is the same, simple random sampling can be…

Q: What sampling techniques should be used while establishing if someone is happy or not?

A: Here we want to establish sampling technique if someone happy or not.

Q: Felicia is conducting a survey to determine the determine the favorite TV show among her community.…

A: Sample is a group of entities, taken from a large population. Generally, it is very tedious to…

Q: The Gallup poll asks respondents how they would rate the honesty and ethical standards of people in…

A: Solution: YES. Because The percentage who rated medical doctors 'very high or high' is 65%The…

Q: To find out how Seattle restaurant patrons feel about ban on smoking inside/public places, a…

A: Undercoerage is a type of sampling bias that occurs when the significant population units are not…

Q: What sampling technique was used?

A: here use definition of sampling method

Q: Explain the concept ofrepresentative sampling.

A: Representative sampling: A representative sample is a subset of a population that seeks to correctly…

Q: What is Random Sampling?

A: Random sampling: A simple random sample of size n is collected from a large population where each…

Q: A survey of students living in a high-rise residence is to be conducted. The residence has 10…

A: Here it is a two stage sampling because there is randomization in the two stages. First…

Q: Identify what type of random or nonrandom sampling technique is used. Minority of senators are to…

A: Given that minority of senators are to be interviewed. So this implies that a group/type of senators…

Q: State one similarity and one difference between quota sampling and stratified random sampling.

A: Please find the explanation below.

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: Decide if the following sampling methods produce a simple random sample of students from a class of…

A: As per Bartleby guideline for more than three question asked then only first three is to be answered…

Q: Thirty-five sophomores, 22 juniors, and 35 seniors are randomly selected to participate in a study…

A: Stratified random sampling: In stratified random sampling, the population is sub-divided into…

Q: what do you call this sampling technique?

A: Posting a question on the internet to know about something

Q: When the Bureau of Labor Statistics conducts a survey, it begins by partitioning the United States…

A: Simple random sampling is a type of sampling where some units are randomly selected from a…

Q: The college wants to select 75 B.Tech level students for a conference from various departments. The…

A:

Q: When would you use purposive and representative sampling?

A: Often a researcher does a random sampling which includes people from every background and demography…

Q: The Denver Area Big Organization for Medicine and Business (DA-BOMB) is a not-for-profit consultant…

A: Solution: Stratified random sampling:  Stratified random sampling is a type of prbability sampling…

Q: In sampling, explain why obtaining a representative sample is important.

A: Representative sampling is important in sampling technique.

Q: In an exit poll of 625 scientifically and randomly selected voters, 340 expressed support for…

A: Given data, n=625 x=340 sample proportion(p)=?

Q: A study shows that 80% of students in a school love to listen to music while studying, with a…

A: Given : A study shows that 80% of students in a school love to listen to music while studying, with…

Q: Ms. Scott, the principal of Phoenix High School, was conducting a survey about student's impressions…

A: Cluster sampling: Cluster sampling is defined as a method of sampling in which, at first, the entire…

Q: udy, the sample is chosen by surveying every 3rd driver coming through a tollbooth What is the…

A: A systematic sample is determined by choosing a Kth sample from the population.

Q: recent poll reports that between 53% and 59% of voters will vote for president george in the next…

A: The confidence interval is (53%, 59%).

Q: Marina sampled every tenth member of the population in her studies. What type of sampling would she…

A: We want to tell what type of sampling would she be used

Q: A magazine article suggested that “Consumers aged 35 to 44 will soon be the Pakistan's biggest…

A: Sampling is a technique of market analysis in which fixed number of findings are considered for the…

Q: A political pollster wants to ensure that their poll on attitudes toward separation of church and…

A: Here use basic definition of cluster sampling and frequency  Cluster sampling  : here populalation…

Q: There are 30 boys and 20 girls in a class. If a teacher selects a sample of boys and girls as per…

A: Stratified Random Sampling: The population consists of N units which is divided into k relatively…

Q: allup poll asks respondents how they would rate the honesty and ethical standards of people in…

A: In the given problem, it is given that the The proportion of respondents who gave a rating for a…

Q: Why is sampling often preferable to conducting a census for the purpose of obtaining information…

A: Taking a sample is speedy and more cost effective than carrying out a census, and more knowledge…

Q: A writer for an art magazine randomly selects and interviews fifty male and fifty female artists.…

A: From the given data, Here, Males and females are two stratas and stratified sampling is done by…

Q: What is another kind of sampling error you might see in a poll besides random sampling error?

A: The total error of the survey estimate results from the two types of error.  Sampling error.  Non…

Q: When the Bureau of Labor Statistics conducts a survey, it begins by partitioning the United States…

A: In simple random sampling, the sample is selected from whole population without any sub grouping and…

Q: What type of sampling technique does this represent

A: here use basic of sampling method

Q: In what is specific type of a sampling technique every 40th member of the population may…

A: A sample is a part of the population. The process of taking samples from the Population is called…

Q: A market reseacher selects 500 drivers under 30 years of age and 500 drivers over 30 years of age.…

A: Stratified sampling a technique of sampling in which the researcher divides the population in to sub…