3) Which sampling method was used if a researcher studying the annual income ofstudents selected three classrooms being used during the 11:00 AM period and askedeach student in those rooms?a) Stratified samplingc) Cluster samplingSeanfo 8484-2.28 (bb) Convenience samplingsombriod aasis ori od bund) Systematic sampling2.86-88 (5

DefinationStratified sampling:If the population is very heterogeneous and considerations of cost…

Answered: 3) Which sampling method was used if a…

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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Question 1 "Every fifteenth customer entering a supermarket is asked about his or her favorite fruit". What type of sampling is used? A) Systematic sampling B Snowball sampling C) Cluster sampling D Stratified sampling
Question 2 Match the name of the sampling method descriptions given. Situations v asking people on the street selecting a classroom number at random then surveying all the students in that room choosing every 5th person on a list v dividing the population by Gender, and choosing 30 people of each gender number every name on a list and use a random number generator to select the first 50 numbers Sampling Method a. Stratified b. Convenience c. Simple Random d. Systematic e. Cluster Submit Question
1) what is the sampling method in this senario? A study on the economic status of all the account holders in a certain bank will be conducted. This bank has 50,000 account holders and an alphabetical list of these account holders is available. Two hundred random numbers from a calculator will be generated. These random numbers will be used in getting the 200 respondents from the alphabetical list. a. Simple Random b. Cluster c. convenience d.Stratified e. Quota
You are interested in learning about the reading habits of the residents of Fairmont. To develop a sample, you select 13 of the city's blocks and interview everyone on those blocks. After collecting the data, you fi nd that 45% of those surveyed read more than one book a month. After some analysis, you conclude that about 40-50% the population of Fairmont reads more than one book a month. a) What is the population? b) What sampling technique has been employed? c) Is the 45% number a parameter or statistic? d) Based on the given information, is there any bias in the survey method? Explain.
2. Inspection results for the last 8 lots using MIL-STD, and the single Sampling plan of n=225, c=3: 1 non-conforming unit 4 non-conforming unit 5 non-conforming unit II II 1 non-conforming unit 3 non-conforming unit IV V O non-conforming unit 2 non-conforming unit 2 non-conforming unit VI VII VIII a. If normal inspection was used for lot I, what inspection should be used for lot IV? b. What was the status after lot V? c. What was the status after lot VIII?
Note: I want a clear explanation for your answer. Which of the following are the examples of stratified sampling? a) Choose every 11th passenger as they board the plane. b) Using the boarding list of passengers, that are on a plane, randomly choose 5 peoples flying first class,9 peoples flying business class, and 8 peoples flying economy. c) Choose a random sample of 14 male students and 14 female students from a large chemistry class. 1) a,b 2) a,b,c 3) b,c 4) a,c
Sampling method in which the group in which the unit is measured is collectively sampling which of the following options is correct? Please select one: a. Simple chance sampling b. Cluster sampling c. All can be d. Stratified sampling e. Systematic sampling
1. In the number {1,3,57,9} construct the following: a. List of the possible sample size of 3 that can be taken from this set of numbers. b. Sampling distribution of the sample means for the size of 3 and standard error
The state Department of Natural Resources is considering lowering the bag limit on Walleyed Pike on Mud Lake and wants to know how such a decrease will affect the number of people fishing on Mud Lake. Which of the following samples is most likely to provide the necessary information?A) A random sample of all fishermen in the stateB) A random sample of people currently living in the county containing Mud LakeC) Interviewing all the fisherman on the lake each Saturday in JulyD) Interviewing all the resort owners on Mud Lake
O d. A stratified random sample QUESTION 4 A sample of households in a community is selected from the telephone directory. In this community, 4% of households have no telephone, 10% have only cell phones, and another 25% have unlisted phone numbers. The telephone directory in the above setting is considered a O a. contracted source O b. sampling frame OC. parameter level d. descriptor Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save
Suppose on a sample of Montanans it is found the mean salary is equal to 30,000. When we use a statistic like this to simply describe a sample, this is an example of: a) an inferential statistic b) a descriptive statistic c) a sample median d) random sampling e) b and c

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