A researcher wants to determine the average grades for statistics students at a college.  Of the 10 sections of MAT 152, the sample is chosen by randomly selecting two sections and reviewing the grades of each student in those two specific sections.  What is the sampling method?       Voluntary     Cluster     Systematic     Simple Random

Q: Describe the procedures for obtaining a random sample. step by step

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Q: To predict the results of the next election, Statistics Canada phor households in every riding. What…

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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: Discuss the random sampling and the sampling distribution of the sample average?

A: Simple random sampling: A simple random sample of size n is collected from a large population where…

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: What type of sampling is done when the math department surveys all students in each of 3 sections of…

A: Cluster sampling is a method in which a researcher divides the population into cluster and then…

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: Researchers waited outside a restaurant. They stopped every 12th person who came out of the…

A: Systematic sampling method : In systematic sampling, the target population is ordered and the sample…

Q: Amtrack is considering changing the train schedule for trains that stop at the Utica trainstation.…

A: Sampling methods: In simple random sampling, all the units in the population have equal chance of…

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: spinner can and on either red or blue.

A: There are two possible outcomes. Red and blue.

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: The state would like to evaluate the usefulness of a program to randomly test high school athletes…

A: There are 20 schools in fort worth selected. Randomly selected 3 athletes from each school.

Q: A city's telephone book lists 300,000 people. If the telephone book is the frame for a study, how…

A: Here population size, N=300000 Systematic sample is done on every 100th person i.e sampling interval…

Q: 5. An elementary school principal wants to show that there is no relationship between a student's…

A: Here principle classify mothers in four ways, We have to tell, which sampling method is used by…

Q: An urban geographer is part of an interdisciplinary team collecting data from city residents.  One…

A: In cluster sampling, the population is divided into naturally occurring groups/sections called…

Q: Which type of random sample is used for selecting a sample?

A: The provided information is as follows:The given example is related to the type of sampling We have…

Q: A researcher wants to study the effects of social media on Grade 11 Mathematics High School. He…

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

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: 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…

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Q: the managers of a large company wished to know the precentage of employees who feel "extremely…

A: Given that, the managers of a large company wished to know the percentage of employees who feel…

Q: Suppose you want to know how much students in Greek organizations study per week, on average.You…

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

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: A local fast food restaurant interviews every 10th customer placing an order at the counter. What…

A: According to the question, a local fast food restraunt interviews every 10th customer placing an…

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.