An online university wants to invest in a new tutoring program. Before they make the commitment, the research team wants to know how many students enrolled in the university would actually use the tutoring program. They decided to conduct a survey to find out. The institution has 4,000 undergraduate students. How many students would you survey? How would you choose them? (Be specific in your sampling method description) Adam got the name of all 4,000 students in the university and put their names in a hat. He then drew 300 names. What do you think of Adam’s survey? Explain your answer. Sarah asked all currently enrolled seniors. What do you think of Sarah’s survey? Explain your answe

Q: A Nordstrom manager wants to survey customers as they leave the store on a certain day. There are…

A: Given:   N = 420     n = 50

Q: The school librarian wants to determine how many students use the library on a regular basis. What…

A: Systematic sampling is defined as a sampling method where the researcher chooses elements from a…

Q: A principal wanted to survey students who took a standardized college entry exam about how prepared…

A: In this example each and every student has equal chance of selection.

Q: Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: Stratified sampling: In a stratified sample, researchers divide a population into homogeneous…

Q: entering your work cafeteria and are approached by an individual to participate in their study by…

A: Given that  You are entering your work cafeteria and are approached by an individual to participate…

Q: In a study, the sample is chosen by separating all cars by size, and selecting 2 size groupings.…

A: The sample is chosen by separating all cars by size, and selecting 2 size groupings.

Q: 2. In a group of 250 students, how will you select a sample containing 71 students by using the…

A: It is given that  N=250 n=71

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

A: Sampling techniques are used to select a sample inorder to provide an adequate description of the…

Q: A newspaper posted this question on its website: "How often do you seek medical information online?"…

A: Given: n = 1072 Proportion of Internet users who responded with "Frequently" = p = 0.38

Q: There are 139 swim clubs in Ontario. Swim Ontario conducts a survey to vote on its new logo. The…

A: Given: Out of 139 swim clubs the organization randomly selects 10 swim clubs From the 10 swim clubs…

Q: A principal wanted to survey students who took a standardized college entry exam about how prepared…

A: In this example each and every student has equal chance of selection.

Q: BestBuy was happy with how well the TV giveaway promotion went. They decide to run a similar…

A: In given survey, customers that come into their stores on Saturday morning and ask them, "What type…

Q: A. Teacher John wants to select a sample of 225 learners from the population which are grouped…

A: Given information: The number of sample, selected, n = 225 Total population, N = 35200 City…

Q: university wants to determine what fraction of its student body support a new $ 25 annual fee to…

A: The given scenario is, A university wants to determine what fraction of its student body support a…

Q: what do you call this sampling technique?

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

Q: What kind of sampling technique to be used and justify?  3. A financial advisor needs to meet her…

A: Sampling is a statistical method in which samples are taken from larger population. Sampling means…

Q: In an AOL survey of Internet users, this question was posted online: "Have you ever been hit by a…

A: A population is a collection of all possible observations, whereas a census tries to gather whole…

Q: Why did they take my favorite show off the air?" The answer lies, no doubt, in low Nielsen ratings.…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Given : Of the…

Q: Prof. Badalian wants to know the ages of moviegoers who go to see Star Wars. If he survey everyone,…

A: Systematic sampling can be defined as selecting the sample from  the large population according to…

Q: Determine the number of students required to survey if they wish to use a sample of 15% of the total…

A: At Statsville High School the administration wants to sample 15% of the students to determine if…

Q: You are going to survey a random sample of the 300 passengers on a flight from San Francisco to…

A: Given, A random sample of 300 passengers on a flight from San Francisco to Tokyo.

Q: The administrator in your college wants your opinion about the parking situation at the college. In…

A: The population in given case is All students entering the Madison hall.

Q: For an acceptance sampling plan with  n = 33 and c = 0, find the probability of accepting a lot that…

A: Given information- For an acceptance sampling plan- n = 33, c = 0 a) Defect rate = 4% Let, p = 0.04…

Q: For the folloowing scenarios, list the sampling techniques.…

A: The objective is to identify the sampling technique for each of the following scenarios:

Q: Construct a sequential sampling plan such that p1 = .07 and p2 = .30 with a = .05 and B = .10

A:

Q: A third grade teacher uses her class roster to chose subjects for a study of special education…

A: Sampling : In applied mathematics analysis, sampling is that the method of choosing a selected range…

Q: For an acceptance sampling plan with n = 35 and c = 0, find the probability of accepting a lot that…

A: Given that  For part (a) n = 35,   c =0 and p = 0.02 For part (b)  p = 0.08

Q: As part of a class project, a teacher brings a jar of 250 jawbreakers of 3 different colors, orange,…

A: From the given information, thee are three different colors orange, red and white jawbreakers.…

Q: Mike’s pizza company is searching for a new specialty pizza to add to their menu.  Five specialty…

A: Solution-: We want to find that what type of sampling method use in given scenario.

Q: A sample of 70 students from all the three departments of Nizwa College of Technology are selected…

A: Given that  Sample size n = 70 Number of students in Business department, N1 = 80 Number of students…

Q: You want to obtain a survey from households across the U.S. To obtain the survey you separate the…

A: You want to obtain a survey from households across the U.S. To obtain the survey you separate the…

Q: What Sampling Technique is used? A financial advisor needs to meet her quota of 30 clients in a…

A: Sampling technique : A sampling technique is the name or other identification of the exact process…

Q: Here are two proposed plans for choosing the sample. Name the sampling strategy used in each: a.…

A:

Q: 20. Laura wants to determine if the 7 grade class wants to go on a field trip to an art museum, a…

A: If Laura surveys all the students of the art club then they will prefer to go on a trip to the art…

Q: For an acceptance sampling plan with n = 29 and c = 0, find the probability of accepting a lot that…

A: Solution : Given that :For an acceptance sampling plan with n = 29 and c = 0,

Q: Niles wants to learn more about British accents, so he divides Great Britain into 12 regions and…

A: Simple random sampling: A procedure for selecting a sample of size n out of a finite population of…

Q: There are 120 teachers. Select a sample of 40 teachers by using the systematic sampling technique.

A: There are 120 teachers. Select a sample of 40 teachers by using the systematic sampling technique.…

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

A: Correct Answer is "Convenience".

Q: local fudge company wants to make sure that the assorted pound of fudge is really 16 ounces.  To…

A:

Q: Name the sampling method used in each of the following situations:  a. A woman in the airport is…

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

Q: n a large city school system with 32 elementary schools (grades 1-5), the school board is…

A: Option e) is correct. This sampling strategy is a voluntary sampling.

Q: Gary Chalmers is giving a sample of students at Springfield Elementary School IQ tests.  To select…

A:

Q: emistry grades 2A are Brown 70, John 85, Christ 99, Ryan 56, vy 87, Megan 48, Zory 77, Vroy 65, Hyu…

A: From the given information we find the sampling Error.

Q: A Nordstrom manager wants to survey customers as they |leave the store on a certain day. There are…

A: Given that,        Population size N=420        Sample size n=50 In a systematic sampling…

Q: Identify the sampling technique used. Based on 13,000 responses from 28,000 questionnaires sent to…

A: To identify the sampling techniques used.

Q: For the given situation, decide what sampling method you would use. Provide an explanation of why…

A: Sampling is nothing but the technique of selecting individual members from of the…

Q: determine which sampling method was used (simple random, cluster, convenience, stratified,…

A: Convenience Sampling: It is a method of sampling where participants are chosen according to their…

Q: In each of the following examples, identify the sampling method being used. Choose the answer in the…

A: Note: Hey there! Thank you for the question. As you have posted multiple questions, we have helped…

Q: Name the sampling method in the following situation: A curling coach wants to know if his team…

A: The convenience sampling method is the method where the sample is selected according to the…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.