MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- Suppose you want to know how much students in Greek organizations study per week, on average.You randomly select 5 of these organizations and sample all members. What type of sampling method did you use? stratified sampling cluster sampling systematic sampling simple random samplingarrow_forwardIdentify the kind of sample that is described. An electronics store polls 300 customers who bought computers at the store within the past two years about high-speed Internet rates. The sample consisted of 150 randomly selected Mac users and 150 randomly selecțed PC users. The sample is a (Choose one) v sample. convenience simple random cluster voluntary response stratified systematicarrow_forwardA school principal surveys all students in four classrooms and asks them about lunch. Which collection method does this describe? Experiment Sampling Census Simulationarrow_forward
- 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?arrow_forwardThe 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 Samplearrow_forwardA small shop owner wants to see how much people are spending at her store, so she numbers all the receipts from the past week and uses a computer program to generate a list of 20 random numbers. She samples the receipts that correspond to those numbers. What type of sample was taken? convenience sample simple random sample systematic sample cluster sample quota sample voluntary response samplearrow_forward
- Our local movie theater polls its customers about their favorite candy to eat during the movie. Name each sampling method described. a. Employees ask every 45th customer that purchases a movie ticket b. An employee divides the theater into sections: left, right, front, back. He/she randomly chooses a section and polls every customer within that sectionarrow_forwardYou need a sample of 40 students from your school. You use a random number table to pick 20 homerooms, then you use a random number table to pick 2 names from each homeroom list. What kind of sampling is this? stratified random sample convenience sampling o multi-stage sampling o simple random samplearrow_forwardTo conduct a door-to-door survey about crime victimization, a city official randomly selects 5 city blocks and surveys all the residents of these 5 city blocks. What type of sample is this?A. Simple Random SampleB. Systematic Random SampleC. Cluster SampleD. Multistage SampleE. Stratified Random Samplearrow_forward
- In a study, the sample is chosen by writing everyone's name on a playing card, shuffling the deck, then choosing the top 20 cards. What is the sampling method? Ostratified Ocluster O random conveniencearrow_forwardYou want to gather some data about students at a local high school. Match the name of the sampling method with the description of corresponding situation. Situations Selecting five classroom numbers at random then surveying all the students in each of these five rooms Surveying every 3rd driver coming through a tollbooth Pulling 50 names from a hat Sampling Method a. Cluster b. Simple Random c. Systematic d. Convenience e. Stratifiedarrow_forwardA community college employs 87full-time faculty members. To gain the faculty's opinions about an upcoming building project, the college president wishes to obtain a simple random sample that will consist of 9 faculty members. He numbers the faculty from 1 to 87. Complete parts (a) and (b) below. Question content area bottom Part 1 (a) Using the provided random number table, the president closes his eyes and drops his ink pen on the table. It points to the digit in row 3, column 6. Using this position as the starting point and proceeding downward, determine the numbers for the 99 faculty members who will be included in the sample. The numbers for the faculty members are 60, 14, 72, 52, 40, 23, 28, 36, 54. (Use a comma to separate answers as needed.) Part 2 (b) The president uses technology to produce the following random numbers. 78 74 59 87 17 74 16 8 4 70 Determine the numbers for 9 faculty members who will be included in the sample. The numbers for the…arrow_forward
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