A worker wants to determine the average weight of fish fillets in his freezer. There are hundreds of boxes of fillets in the freezer with each box containing 15 fillets. He randomly selects 10 boxes of fish at random and pools all fillets in the 10 chosen boxes together as his sample. Is this simple random sampling, stratified sampling, or cluster sampling?

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: For the scenarios below, determine which sampling method was used (simple random, cluster,…

A: Introduction :-  For the scenarios given, we have to determine which sampling method was used…

Q: Which type of sampling method is used in the following? 20 people from each dorm are asked to fill…

A: In simple random sampling, the samples are chosen at random from the whole population. In cluster…

Q: Sampling to determine the total number of samples per group from 6,000 male and 2,000 female. (Use…

A: The provided information is The total population is  N=6000+2000=8000 The margin of error is  e=0.05…

Q: The librarian surveys every 7th student from an alphabetized list to determine reading preferences…

A: Here, we know that in the Systematic random sampling, we fix the order of the samples. In other…

Q: A community college employs 86 full-time faculty members. To gain the faculty's opinions about an…

A: Given Information: There are 86 full time faculty members in total. The college president wishes to…

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: Identify the sampling method and a possible source(s) of bias. A statistics student who is curious…

A: Two types of sampling : 1 : Probability sampling : (every member of population has equal chance to…

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: What sampling technique was used?

A: here use definition of sampling method

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: The teacher selects 10 left-handed and 10 right-handed students. What type of sampling was being…

A: The teacher selects 10 left-handed and 10 right-handed students. What type of sampling was being…

Q: Are Random sample and Random sampling the same?

A: Sample is a small subset of a population .

Q: A large high school wants to select a group of 20 students in order to see how well the cafeteria is…

A: Solution: The type of sampling strategy involved is  The sampling strategy is stratified sampling.

Q: A researcher is collecting data on college students who go to school in Ohio. If she organizes the…

A: Solution  A convience sampling is the technique of drawing the sample when the researcher dram the…

Q: Suppose you want to find a simple random sample of 75 questions out of the entire population of…

A: Here the entire population contains N = 3631 questions. A simple random sample of size n = 75…

Q: Homer Simpson is interested in studying the ratio of the various colors of sprinkles on Lard Lad…

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

Q: A small Fashion Boutique sells its clothing in four size categories: Baby, Toddler, Big Kids, and…

A: Given: A small fashion boutique sells its clothing in four size categories: Baby, toddler, big kids…

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: A researcher wanted to know the average screen time (in hours) of the students using cellphone.…

A: It was stated that a researcher wanted to know the average screen time (in hours) of the students…

Q: A college administrator wants to survey 250 students that attend her college to see if students are…

A: Simple definitions of given sampling techniques : (a) Cluster Sampling : Surveying all individuals…

Q: How do you differentiate cluster sampling with stratified sampling? a. In stratified sampling there…

A: In stratified sampling technique, the sample is created out of the random selection of elements from…

Q: A worker wanted to estimate the average annual living expenses for the residents of New Zealand. He…

A: Simple random sampling: Simple random sampling is defined as a method of sampling in which, a sample…

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: For the scenarios below, determine which sampling method was used (simple random, cluster,…

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: suppose that 25% of HU students have two cellphones. If we take a random sample of 500 students,…

A: The sampling distribution of sample proportion is the distribution of sample proportions where the…

Q: A university has 30,000 undergraduate and 10,000 graduate students. A survey of student opinion…

A:

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: Max would like to know whether there is community interest in having local musicians perform music…

A: In statistics, sampling is a method that allows us to get information about the population based on…

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: There are 30 boys and 20 girls in a class. If a teacher selects a sample of boys and girls as per…

A: Stratified Random Sampling: The population consists of N units which is divided into k relatively…

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.