Week 10 Question 1 If you decide whether you want to see a new film or television program on the basis of the ‘coming attractions’ or television commercial previews, are you using a sampling technique? A scientific sampling technique?

Q: A Mathematics teacher has 20 movie tickets. He is planning to distribute those tickets to his class…

A: Given No. of tickets with teacher = 20 No. of students in class = 50 students

Q: Please show your solutions and if possible, kindly take a picture on it so that I can see the answer…

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

Q: A nursing home director keeps a list of every resident they are responsible for. Using this list,…

A: In the systematic sample we select sample after the fixed interval.

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

A:

Q: medical information​ online?" Of 1072 Internet users who chose to​ respond, 38% of them responded…

A: The term used to describe this type of survey is C. The respondents are a voluntary response…

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: When a researcher who is studying "serious tennis players" asks 200 people if they qualify as this…

A: In the following problem Convenience Sampling is to be used

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: 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: A researcher is comparing average home values in four California cities. She assigns one of her four…

A: Sampling is a technique in which a group of data is selected from an entire population.

Q: The head of a state education department wants to see how high school students feel about the new…

A: The head of a state education department wants to see how high school students feel about the new…

Q: A graduate student wants to know which campus dining option undergraduate students prefer across the…

A: Here, the graduate student randomly selected 10 students from each residence hall across the…

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: A study was conducted to examine the percentage of senior citizens in town X who are still working…

A: A study was conducted to examine the percentage of senior citizens in town X who are still working…

Q: eek 10 Question 7 What are the benefits of stratified sampling? Contrast stratified sampling with…

A: Stratified random sampling(STRS)   and Quota Sampling.

Q: 1. Explain how cluster sampling is different from stratified sampling.

A: In cluster sampling, we select entire groups (from a larger population of groups), whereas in…

Q: Problem Solving A. Instructions: Determine if the following situations use as random or non-random…

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

Q: A conservative television station wanted to determine the proportion of voters in its city who…

A: Total number of calls received=1248 Number of people who supported the candidate=216

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: Imagine that you own a coffee shop in downtown Toronto. You think it's time to expand to a second…

A: There is a coffee shop in downtown Toronto.The owner thinks it's time to expand to a second location…

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: 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: How can you make your sampling method more reliable? (English Translation: List a way you could make…

A: Introduction: Sampling is done in practical life instead of a population census, in most 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: You are doing research on students and you are interested in looking at the differences among…

A: Given that, The collected 100 response from each class. i.e. 100 freshmen, 100 sophomores, 100…

Q: A statistics lecturer wanted to determine if the time spent studying affected a student's GPA She…

A: Correct Answer: b. Simple Random SamplingReason: The lecturer collected data from 300 randomly…

Q: Pippa is interested in understanding how many hours per week teenagers in her town spend watching…

A:

Q: ethod? Select all that apply

A: Sampling Methods: The sampling methods are classified into 2 types  Random Sampling or…

Q: In the Star and Tribune newspaper, there is an article entitled “1 in 8 school buses fail tests."…

A: Given information: Sample of 200 buses and find that 20 buses fail the safety inspection. Let us…

Q: ve bi

A: It would be better if we enquire with all students, when the strength of class students is little.…

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: 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: In what situations is a census more appropriate than sampling? When is sampling more appropriate…

A: A survey, which tries to include all of the population units in the sample, is defined as census. A…

Q: You see the following headline on the news: "A new political poll finds that less than 20% of…

A: Finding of Political Poll: 20% of Americans are happy with the new Common Core standards in…

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: Problem: Which double sampling plan should be used för å AOQL of 2%, if the process average is…

A:

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

A:

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.