You are doing research on students and you are interested in looking at the differences among freshmen, sophomores, juniors and seniors in terms of their favorite brands of clothing.  You ask your friends to circulate your survey in their classes.

Q: a stratified random sample? WO ber the students from 1 to 2000 and us ey the first 100 students to…

A: Stratified sampling is a process of random sampling. It is used to divide a population into…

Q: You want to interview 200 students in your school to determine their opinion on the new school…

A:

Q: college faculty consists of 400 men and 250 women. The college administration wants to draw a sample…

A: Given:  Population is devided into two groups men and women  No of men N1= 400  No of women N2= 250…

Q: uppose you take random samples from the following groups: freshmen, sophomores, juniors, and…

A: Stratified Random Sampling: The population is divided into subgroups then some members are chosen…

Q: Identify the type of sampling used (random, systematic, convenience, stratified, or cluster…

A: We have find Sampling find use..

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: The Department of Health is conducting random drug testing in a barangay in relation to their age.…

A: Given information: It is given that the department of health is conducting random drug testing in a…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: BE SURE TO ANSWER THE LAST OPEN ENDED QUESTION!! Petra is doing a survey Which of the following…

A: Given that Which of the following descriptions is an example of convenience sampling? A. Petra…

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: Your research methods class has been given an assignment to measure the student body of your…

A: In sampling, a subset is selected from a population for analysis and research. In some cases, the…

Q: In your "Introduction to College Mathematics" class last semester, the instructor gave four tests.…

A: Given Scores90, 86, 70 , 80Possible sample size will be 1,2,3,4The data has been entered into excel…

Q: How many ways are there to rearrange the letters in the word STATISTICS?

A: We have given the word STATISTICS We have to find a number of ways are there to rearrange the…

Q: 8% of men in the United States are colorblind. If we construct a sampling distribution based on…

A: Central limit theorem: As the sample size large, the sampling distribution of sample means is normal…

Q: The student council invites all students to provide ideas for activities. Which sampling method is…

A: Voluntary response sample: The voluntary response sample is the sample in which the respondents by…

Q: Describe a scenario explaining how to find the mean of a sampling distribution and how to calculate…

A: Solution-: Describe a scenario explaining how to find the mean of a sampling distribution and how to…

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: Online gamers are divided into different age groups. A random sample from each group is selected and…

A: From the given information we want to know method of sampling.

Q: Explain one possible advantage of using a paired sample instead of independent samples.

A: Paired samples, are also known as dependent samples, can be defined as the samples in which natural…

Q: researcher decided to study the dietary habits of community college students. She did so in a way to…

A: Solution: The sampling methods can be classified into two types 1) Probability or random sampling…

Q: b. Which group is more likely to have taken a vacation in the last year: college graduates or…

A: Given data:   Yes No Total College Graduate 183 67 250 Not a College Graduate 126 124 250…

Q: Interpret calculator display: In a recent poll, people were asked whether they supported an increase…

A: Given

Q: (a) One of Statistics assignment, students are required to do a survey to practice for data…

A: Data are the basic material needed for effective statistical inference and decision-making on a…

Q: A population consists of six values (12, 14, 16, 18, 20, and 22).   How many possible samples can…

A: A population consists of six values (12, 14, 16, 18, 20, and 22).

Q: What do you understand by random sampling?

A:

Q: Science teacher interviews all of the students who are members of the school science club. This type…

A: Solution-: We want to find the type of sampling for following example Science teacher interviews all…

Q: Explain the EFFECT OF SAMPLE SIZE.

A: The size of our sample defines how much information we have and thus, in part, decides our precision…

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: Briefly explain how theory development might impact the selection of a sample.

A: Find: The theory development might impact the selection of a sample.

Q: Explain about if larger the sample size, what does this reflects.

A:

Q: Amanda is writing an article for the school newspaper about social media use among teens. She wants…

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

Q: If we took three different samples of college students (one from California, one from Arizona, and…

A: The samples are derived of 500 students from three cities, city C, city AR and city AL.

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

A: We need to, Identify the sampling techniques​ used, and discuss potential sources of bias​ (if any).…

Q: Discuss the sampling method that you think was used for this research

A: Four types of sampling methods: Random  : samples choosen randomly, every member of population has…

Q: Q.No.3. Explain the advantage of mutiple sampling plan over single or double sampling. Answer:

A: Multiple sampling plan is an extension of single and double sampling plan.

Q: In 1949, an organization surveyed 1100 adults and asked, "Are you a total abstalner from, or do you…

A: Given : x1=374n1=1100p^1=0.34x2=330n2=1100p^2=0.30We want to find the value of test stitistic.

Q: Assume that experience with the satisfaction rating scale indicates that a population standard…

A: Given n1=280, n2=300  Level of significance ɑ=0.05   x̄1=83, x̄2=82  Standard deviations σ=14

Q: Describe the EFFECT OF SAMPLE SIZE.

A: In general, large sample size is required to get more precision of data. Sample size plays important…