A pollster uses a computer to generate 500 random numbers and then interviews the voters corresponding to tho numbers. our answer: Systematic random sampling Convenience sampling Stratified sampling Cluster sampling

Q: A researcher decided to gather data from all 150 employees in a certain office instead of just…

A: A certain office has 150 employees. All of them are selected by a researcher to gather data from.

Q: A recent graduate chooses 4 continents to visit from the 7 in the world. What is the size of the…

A: A recent graduate chooses 4 continents to visit from the 7 in the world total=7 choose =4

Q: numbers through MS Excel. a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling…

A:

Q: A university is polling its students. It selects 200 students at random in the same proportions as…

A: Stratified random sampling is a process of sampling which uses different groups of the population…

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: the data were collected by asking the first 111 people who entered the store, then the type of…

A:

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 survey is done to find out the favorite movies of 500 children.  The children are categorized into…

A: Ans-In this question we have to identify type of random sample is used for selecting a sample.

Q: A principal wanted to survey students who took a standardized college entry exam about how prepared…

A: In this example each and every student has equal chance of selection.

Q: A sample of students is collected by randomly selecting 20 students from each of the 58 community…

A: It is specified that 20 students from each of 58 community colleges are randomly sampled.The…

Q: Mrs. Feleo samples her class by selecting every ninth person on her class list. Which type of…

A: Mrs. Feleo samples her class by selecting every ninth person on her class list

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: The Commissioner of Jurors obtains a list of all drivers’ license ID numbers in Oneida County, about…

A: Given that, The Commissioner of Jurors obtains a list of all drivers’ license ID numbers in Oneida…

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

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 sample was taken by randomly selecting one student from the administration’s official list of…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

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: The director of library services at a college did a survey of types of books (by subject) in the…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Identify which type of sampling is used.  Every 5th student on the roster is selected for a sample

A:

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

Q: To select 10 students out of the class of 40 students, I select every 4th name from the roster…

A: here  we select 10 students out of the class of 40 students, I select every 4th name from the roster…

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: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: Given: Total population, N = 1400           Gender wise total population, for males, N1 = 600 and…

Q: A medical researcher interviews a random sample of 20 cancer patient from a list of cancer patients…

A:

Q: A pollster uses a campus directory and contacts every 50th person listed. What type of sample is…

A: Simple random sampling: In simple random sampling, all the units in the population have the equal…

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: Q. Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a…

A: Given that Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is…

Q: In provincial-level monitoring in farms, will you do random sampling, representative sampling, etc.…

A: Here we explain sampling method.

Q: Of the 150 students in the third year group at a school, 60 are boys. Stratified random sampling was…

A:

Q: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

A: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

Q: A coach is interested in how many slam dunks the average college freshman at his university can do.…

A: Population:Population consists of the complete subjects that are included in the study for making…

Q: A marketing firm wants to collect information on certain products in a city of 800 000 people. The…

A: Given : A marketing firm wants to collect information on certain products in a city of 80000 people.…

Q: You need a sample of use a random number use a random number homeroom list. What -

A: stratifies random sampling is a sampling where the population is divided into different smaller…

Q: determine which sampling method was used (simple random, cluster, convenience, stratified,…

A: Convenience Sampling: It is a method of sampling where participants are chosen according to their…

Q: A coach puts the names of all the basketball players into a hat and draws one name for a free…

A: Simple Random Sample A sampling technique where each events of the population has the equal chance…

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.