Suppose we wanted to know the average salary of public high school teachers in NY state. We first separate public high school teachers in NY state by the county they teach in and perform a SRS of size 100 from each county. We then separate the 100 teachers selected from each county into the district they teach in and perform an SRS of size 10 from each district. This sampling method is an example of which of the following:  (i) convenience sampling (ii) voluntary response sampling (iii) stratified random sample (iv) multi-stage sampling

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: As part of a recreation planning survey at a park, questions are asked of all persons visiting the…

A: In census survey, all units in the population are enumerated. That is, enumeration of all units in…

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

A:

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

A: Note:- As per the honor code, we are allowed to answer three sub-parts at a time so we are answering…

Q: Bopulation proportion of 1943 adults who were total abstainers and p, represent the population…

A: Solution: Given N1=1100,  X1=429 N2=1100,  X2=374 (α)= 0.05

Q: Identify the sampling technique used in the following information. An important part of employee…

A: The objective is to identify the sampling technique for the given scenario:

Q: question in my homework asks me to: Identify the type of sampling used (random, systematic,…

A: Given is that,A women experienced a tax audit. The tax department claimed that the women was audited…

Q: Identify which of these types of sampling is used: simple random, stratified, systematic, or…

A:

Q: What sampling technique was used?

A: here use definition of sampling method

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: Name the sampling method in the following situation: The CEO for a restaurant chain wants…

A: The answer to the first question is simple random sampling as the samples taken are random from all…

Q: plants in his garden into 10 regions.  He counts the number of sunflowers produced in just one of…

A: We have given that,  Farmer Josh separates his sunflower plants in his garden into 10 regions.  He…

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

A: Given that To determine the customer opinion of their check in service American airlines randomly…

Q: f) Below are two charts, Figures 1f(i) and 1f(ii). Briefly explain your interpretation of each in…

A:

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: A researcher wishes to conduct an English newspaper readership survey based on race in a town with a…

A: Given that: Population size, N=100000 people Population breakdown: 50% Chinese, 30% Malay, 18%…

Q: A veterinary epidemiologist wishes to investigate the use of antibiotics on cattle farms in a city.…

A: 4 types of sampling 1: simple random sampling  * Random selection from population to make sample.…

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

A: Given information- We have given that 3 samples are taken from Sophomore, Junior, and Senior class.…

Q: We want to learn about the country of origin, gender, NYC borough of residence, ethnicity, and age…

A: A sample is a subset of a population, whereas a population is a full set that represents every…

Q: Problem : Which single sampling plan should be used for a lot size of 1000 and an AOQL of 2%h, if…

A:

Q: A manufacturing concern produces 5400 products per batch and the manager wants to choose 100…

A: We have to find correct series.

Q: In each of the following examples, identify the sampling method being used and explain why. 1. A…

A: Sampling method can be of 2 types as given below: Probability sampling method Non-probability…

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: An economist is studying the effect of education on salary and conducts a survey of 150 randomly…

A: Given: An economist is studying the effect of education on salary and conducts a survey of 150…

Q: Problem: Determine the single sampling plans for an AOQL of 2%, process average of 1% and lot sizes…

A:

Q: Canvas X CAB The student, Nominal D Question 13 W ASKA 1 pts A group of researchers is studying…

A: There are various sampling methods used in research. Convenience sampling is a non-probability…

Q: Identify the sampling method used in each of the following studies:  Best Buy prints a survey…

A: Here the given studies are     1)Best Buy prints a survey request on the bottom of all of their…

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: A geography student in Parkville, Missouri is conducting a housing survey, including questions about…

A: It is given that she knows that about 38% of the people in Parkville live in apartments, and wants…

Q: A Senior Housemaster wishes to investigate whether some residents in his Hall are Homosexuals and…

A: Given A Senior Housemaster wishes to investigate whether some residents in his Hall are Homosexuals…

Q: Poor Middle Class Well-to-do Total Investigation 30 10 200 A 160 120 40 300 B 140 150 50 500 Total…

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: The school nurse would like to conduct a study on the sleeping habit of grade six students in their…

A: the school nurse would like to conduct a study on the sleeping habit of grade six students in their…

Q: St. John Hospital has five wards: A, B, C, D, and E. The numbers of patients in the wards are listed…

A: Simple random sampling is the most appropriate sampling method in selecting a random sample for the…

Q: A test of the effectiveness of a new curriculum could begin by dividing an area by school district,…

A: Here we have given the sampling scheme, We have to identify which of the random sampling scheme is…

Q: 2. The National Agricultural Statistics Service conducts studies of the number of acres devoted to…

A: The National Agricultural Statistic Service manage studies of the number of acres devoted to farms…

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

A:

Q: The number of accountants in each type of work in Oman are as follows. Partnerships 1,800 Government…

A: We have to find z score

Q: (a). Explain why “samples” are used instead of “full populations” in geographic research.

A: Note: Hey there! Thank you for the question. As you have posted several questions, according to our…

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.