In study of evaluating new educational methods, the students were divided into 5 groups. If a researcher selected sample from each group randomly. This kind of sampling technique is known as... Select one: O a. startified O b. random O c. cluster O d. systematic

Q: 1) what is the sampling method in this senario? Employees of a certain factory are grouped according…

A: Given that, Employees of a certain factory are grouped according to gender. An equal number of…

Q: To obtain a sample of students, faculty, and staff at a university, a researcher randomly selects 50…

A:

Q: As part of a recreation planning survey at a park, questions are asked of all persons visiting the…

A: In census survey, all units in the population are enumerated. That is, enumeration of all units in…

Q: .In a population divided into 4 strata, the sampling that is practiced in each of these strata is:…

A: In stratified random sampling, based on some characteristic, the population is divided into two or…

Q: 1) what is the sampling method in this senario? All private school teachers in Regions I, IV, and X…

A: Given :

Q: In a study, the sample is chosen by dividing members of the U.S. Congress by the region in which…

A: Given that  In a study, the sample is chosen by dividing members of the U.S. Congress by the region…

Q: Given the following double sampling plan find the probability of accepting the lots that are 4%…

A: Given, N= 1200, n1 = 50, c1 = 1, r1 = 4, n2 = 110, c2 = 5, r2 = 6 The conditions for binomial…

Q: Find the required sample size, n, if c=0.89, E=0.05, and  is unknown.

A: Solution: Given, c=0.89 E=0.05 Proportion is unknown. The critical value for zα/2 =1.598 using Excel…

Q: If systematic selection is used with a starting point of 10, a population size of 100, and…

A:

Q: If each sample from a large number of samples has the same probability of being selected then it is…

A: Solution In a simple random sampling the samples are drawn randomly.

Q: Determine which of the following sampling methods is the best way to select a group of people for a…

A: Concept: Convenience sampling: It involves the data from reliable and convenient people. For…

Q: 2. A researcher divided the subjects into 4 groups according to year level and then selected members…

A: The sampling method used in this process is stratified sampling

Q: To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at…

A: Sampling methods: In simple random sampling, all the units in the population have equal chance of…

Q: In a study, the sample is chosen by dividing the population into voting precincts, and sampling…

A: Since Here we first dividing the population in percent and then sampling everyone in selected…

Q: If an experiment consist of throwing a die and then drawing a letter at random from the English…

A: If an operations can be performed in n1 ways, and if for each of these a second operation can be…

Q: Consider the following situation: In order to gather as many responses as possible for a survey you…

A: In the given situation, the respondents are asked to distribute the questionnaire to their…

Q: In a study, the sample is chosen by separating all cars by size, and selecting 10 of each size…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: is a sampling technique where the entire population is divided into groups and a random sample of…

A: Sampling: Sampling is a procedure to take the samples from the population. There are four types of…

Q: In a study, the sample is chosen by grouping the class by gender, then selecting 10 males and 10…

A: Given that  In a study the sample is chosen by grouping the class by gender for selecting 10 males…

Q: Identify the sampling technique used in the following situations: 1) A student collected arm lengths…

A: The common sampling techniques are: Simple random sampling Stratified random sampling Cluster…

Q: To determine customer opinion of their service, Business Depot randomly selects 50 stores during a…

A: In this case, we need to identify the correct sampling method for the given statement.

Q: International mathematics tests were administered in 10 countries chosen at random. In each country,…

A: We have given that the statement about to the sampling technique. Here, need to find out that the…

Q: What type of sampling is used? O A. Stratified sampling is used, since the field is divided into…

A: What type of sampling is used:     (A) Stratified

Q: In acceptance sampling, if the number of defects in a sample is less than or equal to the acceptance…

A: In acceptance sampling, if the number of defects in a sample is less than or equal to acceptance…

Q: For a fixed sample size, the lower we set α, the higher is the ___________.

A: If the level of significance is set as lower, then there is a decreasing chance of committing a type…

Q: To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at…

A:

Q: Identify the sampling techniques​ used, and discuss potential sources of bias​ (if any). Explain.…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: If the subjects are homogeneous (uniform) and the subjects are in natural order in the population to…

A: The subjects are homogeneous and they are in natural order in the population to be researched. In…

Q: Consider the following double sampling plan for the inspection of the lots whose size is 1200.…

A: Given: The following double sampling plan is considered based on the inspection of lots in which the…

Q: A teacher divides his class into groups, randomly selects 3, and asks all students from the chosen…

A: Given that, a teacher divides his class into groups, randomly selects 3, and asks all students from…

Q: 7) At 9AM on a Monday, five Starbucks stores are chosen and all customers are asked to participate…

A: Answer:

Q: To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at…

A: The study is to obtain the which sampling to be used.

Q: 2. The National Agricultural Statistics Service conducts studies of the number of acres devoted to…

A: The National Agricultural Statistic Service manage studies of the number of acres devoted to farms…

Q: Which of the following are the examples of stratified sampling? a) Choose every 11th passenger as…

A: If the population is heterogeneous, then divide the population in to relatively homogeneous…

Q: The number of accountants in each type of work in Oman are as follows. Partnerships 1,800 Government…

A: We have to find z score

Q: c) State which sampling method used in the following scenarios i. Select the first 19 customers who…

A: Sampling: It is a technique of selecting individual members or a subset of the population to make…

Q: If the sample size is decreased, then the sampling error will -- a. not change b. Increase c.…

A: The sampling error is sn.

Q: n the final sampling design, what is the elementary unit?   A. A food chain  B. A street C. An…

A: 1) In the final sampling design, what is the type of sampling frame? sampling frame is a list of the…

Q: Suppose that Fairfax County has N=400,000 households.  Further, assume that for we have a complete…

A: 1) Using household income, we sort the list from lowest to highest household income and label these…

Q: A. Identify the type of sampling technique used by the researcher in each situation. 1. The office…

A: Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you. To…

Q: 2. Select a sample of size seven of variable B (GPA) from data (see inserted data) by taking every…

A: GivenThe sample size =7 The sample is picked starting from student number 3 and every third…

Q: 2.- A researcher wants to select a sample of 40 students from four private high schools, by…

A:

Q: n a study of all 88 Ohio counties, a survey was conducted of all residents of Franklin, Madison, and…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: One the following sampling designs is a form of non-probability sampling? a. Cluster sampling. O b.…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: In a population divided into 4 strata, the sampling carried out in each of these strata is: Select…

A: Stratified sampling:If the population is very heterogeneous and considerations of cost limit the…

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: For each of the following situations, identify the sampling method used. i. The manager of a company…

A: Simple random sampling (SRS) is a probability based sampling in which we randomly select a subset…

Q: A. The given population is 3476, n = 528, what will be the value of e (margin of error)? B. If a…

A: The objective is to find margin of error ,and to determine sampling interval of systematic sampling…

Q: and

A: For conducting a research within Barangay stratified random sampling should be used. Because in…

Q: A company manufactured six television sets on a given day, and these TV sets were inspected for…

A: The population size is N=6. The number of good TV sets in the population is m=4. The population…