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: 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: Identify which of these types of sampling is used: random, stratified, systematic, cluster,…

A: Answer:- Given statement is, "A sample consists of every 3rd student from Professor Cuellar’s…

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 doctor wants to study the average time taken by the patients of a city in getting cured of common…

A: Statistical inference: If the data consists of different methods for estimating the sample and…

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: You need to select a simple random sample of three from nine friends who will participate in a…

A: Random number table:Here, there are 9 friends and has been assigned a number from 1 to 9. A simple…

Q: A political organization contains about 80,000 women and about 20,000 men. The organization wants to…

A: It is given that a political organization contains about 80,000 women and about 20,000 men.

Q: Please help me... Choose which sampling was used. *A researcher divides a group of students…

A: Stratified sampling: It is a sampling method in which the entire population is divided into…

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

A: The digit at position row 3 and column 6 is 9 and moving downwards we have, 5, 7, and 9. So the…

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 Mayor’s Candidate’s political campaign would like to determine the popularity of their candidate…

A: It is one of the non-probability sampling techniques in which the selection of the sample units is…

Q: Jean is planning to take a foreign language class. To research how satisfied other students are with…

A: Jean is planning to take a foreign-language class. To research how satisfied other students are with…

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: ask all the students in your math class pulling 50 names from a hat v dividing the population that…

A: a) ask all students  in your math class  - convenience sampling   b)  pulling 50 names from a hat…

Q: A company is started by four friends. The company was Erica’s idea, so she wants to fill 70% of the…

A:

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: Renee works as a quality control officer at a lumber yard. She selects every 200th two-by-four that…

A: In systematic sampling we divide the population in N equal sub population then we select every kth…

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

A:

Q: Identify which of these types of sampling is​ used: random,​ systematic, convenience,​ stratified,…

A: In Britney's case:- The entire day is her "population".- She divides this day into three distinct…

Q: A family wins two tickets to a concert. There are four people in the family: two parents and two…

A: Given that  4. A family wins two tickets to a concert. There are four people in the family: two…

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…

Q: A child has an enormous jar in which she has been saving all of her spare change. In order to…

A: She dumps all of the coins.

Q: A company is started by four friends. The company was Erica’s idea, so she wants to fill 70% of the…

A:

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

A: Given: A woman in the airport is handing out questionnaires to travellers asking them to evaluate…

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

A:

Q: What is the shape of the sampling distribution?

A: Solution-: What is the shape of the sampling distribution?

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.