Which sampling method was used in the each of the following settings, in order from 1 to 4?1. A manager chooses for a survey the first 20 employees to arrive at work.2. The name of each member of a church is written on a card, the cards are well mixed, and10 names are drawn.3. A state agency randomly selects 50 people from each of the state's senatorial districts.4. A city council randomly selects eight city blocks and then surveys all the voting-ageresidents of those blocks.O Convenience, SRS, Stratified, ClusterConvenience, SRS, Cluster, StratifiedSRS, Stratified, Cluster, ConvenienceO Cluster, SRS, Stratified, Convenience

Introduction There are 2 types of sampling method: Probability sampling method Non-probability…

Answered: Which sampling method was used in the…

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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1. Mark 30 small pieces of paper with an A, a B, or a C. Put the pieces of paper in a bag. Trade bags with other students in the class. a. Generate a sample by choosing a piece of paper from your bag 10 times, replacing the piece of paper each time. Record the number of times you choose each letter. Repeat this process to generate five more samples. b. Use each sample to make an estimate for the number of As and Bs in the bag. Then describe the variation of the six estimates. Make estimates for the numbers of As, Bs, and Cs in the bag based on all the samples. c. Take the pieces of paper out of the bag. How do your estimates compare to the population? Do you think you can make a more accurate estimate? If so, explain how.
local fudge company wants to make sure that the assorted pound of fudge is really 16 ounces. To test this, the 35th box is tested and then every 75th box thereafter. What kind of sampling is this?
A polling organization contacts 1620 undergraduates who attend a university and live in the United States and asks whether or not they had spent more than $200 on food in the last month. What is the population in the study? A. Undergraduates who attend a university. B. Undergraduates who attend a university and live in the United States. OC. Undergraduates who attend a university and live in the United States and have spent more than $200 on food. D. Undergraduates who attend a university and have spent more than $200 on food. What is the sample in the study? OA. Undergraduates who attend a university and live in the United States. B. The 1620 undergraduates who attend a university and live in the United States. OC. The 1620 undergraduates who attend a university and have spent more than $200 on food. OD. Undergraduates who attend a university.
Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly. A. convenience B. systematic C. stratified D. cluster E. random
2. State the type of sample being collected. The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. The officer chooses every 15th batch off the line and counts the number of defective items in each chosen batch
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 section
You 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. Stratified
Boris, Priti, and Sajid are due to attend a meeting. A curious observer records their actual attendance. Abbreviating the names by initials, which of the following should be written down as the sample space for the experiment? Select one: a. {0, {B},{P}, {S}, {B, P}, {B, S}, {P, S} O b. {B, P, S} O c. None of the other choices d. {B, P, S, BP, PB, BS, SB, PS, SP, BPS O e. {X, B, P, S} r

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