14. Felicia is conducting a survey to determine the determine the favorite TV show among hercommunity.Which sampling method would most likely provide a representative sample of the community?A. Divide the community members into age groups of equal size, and survey 5 members chosenrandomly from each age group.B. Divide the community members into three age groups of equal size, and survey 10 randomlychosen people from the oldest age group and 10 randomly chosen people from the youngest agegroup.C. Survey 40 people over the age of 50.D. Survey 40 people under the age 20.

Here we want to know the correct sampling method..

Answered: 14. Felicia is conducting a survey to…

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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Identify the sampling techniques used. Explain. After a hurricane, a disaster area is divided into 200 equal grids. Fifty of the grids are selected, and every occupied household in the grid is interviewed to help focus relief efforts on what residents require the most. What type of sampling is used? O A. Cluster sampling is used, since the disaster area is divided into grids, and some of those grids are selected and everyone in those grids is interviewed. B. Stratified sampling is used, since the disaster area is divided into grids, and some of those grids are selected and everyone in those grids is interviewed. C. Stratified sampling is used, since the disaster area is divded into grids, and a random sample is taken from each grid. O D. Cluster sampling is used, since the disaster area is divded into grids, and a random sample is taken from each grid.
Classify the sampling method described in each of the following: 4. Choose three sections from among the fifteen sections of Grade 11 students in a certain school by drawing lots. The students from the three sections chosen will participate in a survey on stress factors affecting adolescents. 5. Mrs. Nimfa is deciding which of her 40 students to call for recitation for tomorrow’s class. She decides to put all her students’ names in a bag, shakes it well, and then draws five names at random.
An online university wants to invest in a new tutoring program. Before they make the commitment, the research team wants to know how many students enrolled in the university would actually use the tutoring program. They decided to conduct a survey to find out. The institution has 4,000 undergraduate students. How many students would you survey? How would you choose them? (Be specific in your sampling method description) Adam got the name of all 4,000 students in the university and put their names in a hat. He then drew 300 names. What do you think of Adam’s survey? Explain your answer. Sarah asked all currently enrolled seniors. What do you think of Sarah’s survey? Explain your answer.
Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain. After a tsunami, a disaster area is divided into 250 equal grids. Thirty of the grids are selected, and every occupied household in the grid is interviewed to help focus relief efforts on what residents require the most. What type of sampling is used? A. Stratified sampling is used, since the disaster area is divded into grids, and a random sample is taken from each grid. B. Cluster sampling is used, since the disaster area is divded into grids, and a random sample is taken from each grid. C. Stratified sampling is used, since the disaster area is divided into grids, and some of those grids are selected and everyone in those grids is interviewed. D. Cluster sampling is used, since the disaster area is divided into grids, and some of those grids are selected and everyone in those grids is interviewed. What potential sources of bias are present, if any? Select all that apply. A. Certain grids…
3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o
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
Help with this question please
As part of a class project a teacher brings a large jar containing 200 gum balls of 2 different colors, white and green to class. A student draws a sample of 20 gum balls, of which 4 are white and 16 are green. The students job is to estimate how many of the gum balls are white. A.) Use the sample to estimate the % of white gum balls in the jar. B.) Give the sampling proportion as a %. C.) If there were 60 white gum balls in the jar, give the parameter of white gum balls in the jar as a %. D.) Give the sampling error as a percent.
If you were conducting a survey to find out how many of your fellow students approved of the state providing free community college tuition, what method of sampling would you use and why?
Determine the sampling method used in the following situation: A political party wants to know the reaction of voters to a debate between the candidates. The day after the debate, the party's polling staff used a statistical software to generate 1,300 phone numbers. The staff called the numbers, and if a registered voter answers the phone, or is available to come to the phone, that registered voter is asked whom they intend to vote for, and whether the debate changed their opinion of the candidates. Simple Random Sampling Systematic Sampling SUBMIT QUESTION SAVE PROGRESS All folders are up to date 70 Connected to: Microsoft Exchange SUBMIT ASSI

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