Q. Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is random sampling.

Q: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: A stratified sample is used for a heterogeneous population. The heterogeneous population we…

Q: Determine whether the sampling method described below appears to be sound or is flawed.   In a…

A: A sample in which the subjects themselves decide whether to be included in the study is called…

Q: Horace Horsecollar is interested in the opinion of vacationers at Disney World. He creates a short…

A: Stratified sample :- Stratified sampling is a method of sampling from a population which can be…

Q: Identify the population and sample. In a random sample of Hartnell students, 45 said they…

A:

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: 9. To get reactions about a particular new car, readers of a car magazine were asked to mail in…

A: Solution: Here we  are only interested in the valuntary response sampling method. So first we…

Q: To determine her heart rate, Samantha divides up her day into three parts: morning, afternoon, and…

A: We have given a sampling process just we need to name the sampling design.

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: Design a single sampling plan given p1=0.05, p2=0.15, producer's risk = 0.05, and consumers' risk =…

A:

Q: If Olivia wants to learn a foreign language to get an idea of how satisfied other students were…

A:

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: The CEO of a company wants to determine if taking the employees to a company retreat would boost…

A: Given that population consist of 250 employees and simple random sample of size 50

Q: ii. If Olivia wants to learn a foreign language to get an idea of how satisfied other students were…

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

Q: students from ea Which sampling technique? o Convenience o Stratified Sam

A: the data above is divided into a particular proportion this is a case of proportional sampling which…

Q: Randomly selected households from each barangay in Marikina City were surveyed to know the number of…

A: Sampling: The method of drawing samples from the population. It is beneficial over studying the…

Q: Write the sample space for an experiment where a student is asked how many questions she answered…

A:

Q: How many outcomes would there be in the sample space for flipping 6 coins?

A:

Q: Determine which Sample Type is used in  the following scenarios.   President Biden want to survey…

A: A population is the set of all objects of interest. A sample is a subset of the population. It is…

Q: State which sampling method used in the following scenarios 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: A market researcher obtains a sample of 50 people by standing outside a store and asking every 20th…

A: Here the sample size n = 50 A researcher obtains data from every 20th customer.

Q: Paige DeMarco is the Vice President for University Advancement at State University. She is…

A: She randomly selects the sixth name as a starting point and then selects every 100th subsequent name…

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: 2. There were a variety of random sampling techniques introduced in this chapter including:…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 10. Marina sampled every tenth member of the population in her studies. What type of sampling would…

A: The objective is to find out which sampling method Marina used in her study.

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

A:

Q: construct the sample distribution of the sample prportion of heads, for flipping a balanced coin…

A: Ans - Construct the sample distribution of the sample proportion of heads,           for flipping a…

Q: Suppose the accounts receivable are arranged randomly. What kind of sampling she should choose? (b)…

A: Aida is an auditor in a firm. She verified the amounts on 5% of the accounts and estimate the…

Q: Kate conducts a survey at her middle school to determine the students' favorite sport. Which…

A: To conduct a survey in the middle school, to determine the student's favorite sports.

Q: A graduating education student is interested to know the engagement of senior high school students…

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

Q: Harry has 4 coins. If Harry flips all the coins at once, how large is the sample space?

A: A coin has two sides, head, and tail.  So for each coin, there are 2 possible outcomes.  There are 4…

Q: To determine customer opinion of their safety features, Daimler - Chrysler randomly selects 80…

A: In simple random sampling, each of the unit is population has equal chance of being selected in 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: 14. Felicia is conducting a survey to determine the determine the favorite TV show among her…

A: Here we want to know the correct sampling method..

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

A: Answer:

Q: Name the type of sampling: Ashley got a list of all the students in the school and used a random…

A: Name the type of sampling: Ashley got a list of all the students in the school and used a random…

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: To determine his DSL Internet connection speed, Shawn divides up the day into four parts: morning,…

A:

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: 1. A researcher wants to study the effects of social media on Grade 11 students in Manila…

A: It was stated that the researcher wants to study the effects of social median on grade 11 students…

Q: Identify the type of sampling method used by the researcher in each situation: simple random…

A: Sample means some amount of population. To selecting some amount there are different methods. Some…

Q: c. Survey 20 randomly selected freshmen, 20 randomly selected sophomores, 20 randomly selected…

A: c) In stratified sampling, we divide the population into homogeneous groups called strata. Then the…

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

A: Under simple random sampling, we use randomly  generated table to the participants and pic randomly.

Q: Identify which type of sampling is used. A sample consists of every 49th student from a group of 496…

A: Given that Sample consists of every 49th student from a group of 496 students. We know that  Sample…

Q: Identify the type of sampling used: a. Globe selects every 50th subscriber from the assembly line…

A: Sampling is a technique used to draw sample from the population of interest.

Q: Which sampling technique is used if a researcher randomly selects and interviews 40 male and 40…

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

Q: choose every 10th person from the list is example of systematic sampling O

A: This is an example of systematic sampling.

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

A:

Q: Explain why the sampling method given to the following situation is appropriate for it. A brand…

A: Convenience sampling means taking the sample from the part of the population which is…

Q: Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. To…

A: In simple random sampling procedure, each of the population unit has same chance of being included…

Q: If you divide an apartment complex's units according to the number of bedrooms, and then take a…

A: Given : E.g If you divide an apartment complex's units according to the no. of bedrooms , and then…

Q: Select at random, 200 University students from the list and send them a survey question online. what…

A: Option B is the answer. Answer : Simple Random Sampling  Explanation : In the above example,200…

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.