Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster.To determine customer opinion of their pricing, Amtrak randomly selects 40 trains during a certain week and surveys all passengers on the trains.Which type of sampling is used?O A. ConvenienceO B. RandomO C. ClusterO D. SystematicO E. Stratified

Customer opinion of their pricing, Amtrak randomly selects 40 trains during a certain week and…

Answered: Identify which type of sampling is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A senior high school teacher is interested in knowing the average number of hours a teacher works in a day. She plans to gather data by choosing every 2n a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling d. Cluster Sampling d teacher in the school's master list.
Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster. 89, 64, and 56 students are selected from the Sophomore, Junior, and Senior class with 893, 647, and 562 students respectively.
Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. A television station asks its viewers to call in their opinion regarding the variety of sports programming. Which type of sampling is used? O A. Stratified B. Random OC. Convenience O D. Cluster O E. Systematic
PLEASE ANSWER ITEMS 2-8
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 33% of air passengers prefer an aisle seat. n3= (Round up to the nearest integer.)
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Q9: Please answer all sections
Identify the sampling techniques used in each scenario. e. surveying movie-goers as they exited the late movie, researchers determined that only young adults under the age of 22 see movies in the theater anymore.
The department head of a private secondary school in Marikina City surveyed randomly selected students from each grade level to know their readiness in limited face-to-face classes. a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling d. Cluster Sampling
At your favorite website, a poll asks you a series of questions about the current state of the world. The sampling technique being employed is:
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 recent study on the monthly wages of CEO in companies listed on the Ghana Stock Exchange resulted in a sample mean of GHS155072 out of a sample of 85 CEOS. Given a population mean, H=158,972. Determine the sampling error. O A. -3900 В. 5000 C. 3900 D. -5000 Е. 6000

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