150 employees are selected for an interview from an office of 1200 population. the participants are selected from 4 different offices. determine the sample size from each office
Q: A survey of 350 people shows that 210 people have seen a movie in the last month. Find the sample…
A: The sample proportion (p̂) is calculated by dividing the number of people who have seen a movie in…
Q: Mrs. Trahan samples H assigned to a student. Select one: O a. simple O b. cluster O C. systematic n…
A: simple random sampling occurs when every sample in the population has equal chances of being…
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: 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: college faculty consists of 400 men and 250 women. The college administration wants to draw a sample…
A: Given: Population is devided into two groups men and women No of men N1= 400 No of women N2= 250…
Q: Find the 1rst quartile and 3rd quartile of the following numbers 41,43,46,47,48,50,51,52,53,54,55
A: The given numbers already in the increasing order: 41,43,46,47,48,50,51,52,53,54,55 Median = middle…
Q: what is sampling methods? A large social media company wants to survey its users about their…
A: Sample is a small part (or) portion of the population. For example, to check the weights of male in…
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: 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: n Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…
A: Given:
Q: Nationally, 83% of Americans have earned a high school diploma. We want to see if the proportion of…
A: We have to find sample proportion.
Q: To study about the introduction of schools. The strength of the schools are 2000, 2500 and 4000. It…
A:
Q: A political scientist surveys 40 of the current 138 representatives in a state's congress. What is…
A: Determine the size of the sample from the given data. The size of the sample from the given data is…
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: In order to estimate the attendance at a 1,000,000 square foot mall, a sample of people is taken in…
A: We will solve the problem
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: Identify what type of random or nonrandom sampling technique is used. Minority of senators are to…
A: Given that minority of senators are to be interviewed. So this implies that a group/type of senators…
Q: There are eight true or false questions in an exam. What is the sample space?
A: Sample space= ?
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 political scientist surveys 35 of the current 158 representatives in a state's legisla What is the…
A: A political scientist surveys 35 of the current 158 representatives in a state's legislature. Size…
Q: Find the sample mean 73,62,37,48,74,95,52,53,74,93,101,94,16,47
A: Answer: From the given data, The given data set is, 73,62,37,48,74,95,52,53,74,93,101,94,16,47…
Q: The school librarian wants to determine how many students use the library on a regular basis. What…
A: Here we want to know sampling type.
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: After a Sampling Plan is developed- what are the steps in sampling?
A: Sampling: In statistical analysis, the sampling is defined as selection of subjects from the…
Q: What is the size of the sample: What is the size of the population:
A: A political scientist surveys 30 of the current 129 representatives in a state's legislature.
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: Draw a histogram to show candidate A got 32 votes, candidate B got 10 votes and candidate C got 20…
A: Given that Candidate A got 32 votes, candidate B got 10 votes and candidate C got 20 votes.
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: As part of a class project, a teacher brings a jar of 250 jawbreakers of 3 different colors, orange,…
A: From the given information, thee are three different colors orange, red and white jawbreakers.…
Q: Identify which sampling method is applied for each situation.
A: Given :
Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…
A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…
Q: Given 1400 freshmen students with 600 male students and 800 female students, describe the way you…
A: It is an important part of statistics. It is widely used.
Q: Determine the sampling methods used in each of the scenarios below iv. Select 8 white cars, 5 blue…
A: Stratified sampling: It is a sampling method in which the entire population is divided into…
Q: In provincial-level monitoring in farms, will you do random sampling, representative sampling, etc.…
A: Here we explain sampling method.
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- A principal wants to learn how students studied for the EOCs. Explain how the principal could poll the participants if she wanted to use a cluster sample.A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?Gary Chalmers is giving a sample of students at Springfield Elementary School IQ tests. To select his sample, he sorts the students based on their birth date, from oldest to youngest, and selects every 32nd student starting with the 17th. What sampling method did Gary employ?
- A political scientist surveys 25 of the current 116 representatives in a state's congress.What is the size of the sample: What is the size of the population:The Ramapo College social media coordinator wants to create graduation videos to share on the College's social media account. She decides to randomly select 10 students from each of the 5 schools to feature during Arching and Graduation. What sampling method is the social media coordinator using? Group of answer choices Simple Random Sample Stratefied Sample Systematic SampleUTAS, Nizwa has received 400 Red Markers, 600 Black Markers and 1000 Blue Markers. The college store keeper wants to check 50 samples using stratified sampling. Which of the following are the correct samples? a. 25 Red Markers, 15 Black Markers, 10 Blue Markers b. 10 Red Markers, 15 Black Markers, 25 Blue Markers c. 15 Red Markers, 15 Black Markers, 20 Blue Markers d. 10 Red Markers, 25 Black Markers, 15 Blue Markers
- An officer was tasked to determine the total number of laboratory rooms in need of repair. By drawing lots, ten buildings were randomly selected and all laboratory rooms in each selected building were inspected. What sampling method was used in selecting the building? (Choices: simple random; stratified random; systematic; cluster) What sampling method was used in selecting the laboratory rooms? (Choices: simple random; stratified random; systematic; cluster)In a college there are 2000 students, we draw a simple random sample without replacement of 500 students from the 2000 students. We ask each student in the sample "Do you use laptop? Yes or No", 230 students answer Yes and 270 students answer No. Estimate the number of student in the college who use laptops.determine which sampling method was used (simple random, cluster, convenience, stratified, systematic), and brieflystate how you were able to identify the type of sampling being used A student surveys 30 people who happen to be on campus at 1:00 pm on a Monday.
- A coach puts the names of all the basketball players into a hat and draws one name for a free basketball. Which sampling method is being used?A farmer is researching the effectiveness of a pest control spray. He divides his orchard into 5 sections. He then inspects all the trees within 2 of those sections. What type of sampling method is he using?A questionnaire is sent to every ninth person on an alphabetical list of a store’s credit card customers. The first person chosen from the list is picked randomly. Which sampling method is being used?