Pippa is interested in understanding how many hours per week teenagers in her town spend watching television. She plans to go to a local electronics store and interview the first seventy-five teenagers she sees in the television section. Part A: What sampling method does Pippa plan to use? Part B: What could be problematic about Pippa's plans? Part C: What could Pippa change about her sampling method to ensure that the sample is more representative of the population? Explain with a complete sentence.

Pippa is interested in understanding how many hours per week teenagers in her town spend watching television. She plans to go to a local electronics store and interview the first seventy-five teenagers she sees in the television section. Part A: What sampling method does Pippa plan to use? Part B: What could be problematic about Pippa's plans? Part C: What could Pippa change about her sampling method to ensure that the sample is more representative of the population? Explain with a complete sentence.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

SUBJECT: Engineering Data Analysis (Pls. don't plagiarize your answer. Thank you!) QUESTION: List down the methods of reducing sampling error. Briefly define and discuss the non sampling error. List down the causes for non sampling error.
Identify what sampling technique is applicable in the following situation:Your organization is conducting a random drug testing in schools. As a member of the research committee, you are tasked to conduct the test in Central City School which has a population of 9672 students. The sample that you need is only 100 randomly selected students. How are you going to achieve this? Show solutions if necessary.
John F. Kennedy. In one of his books, Ted Sorenson, Special Counsel to President John F. Kennedy, presents an intimate biography of the extraordinary man. According to Sorenson, Kennedy “read every fiftieth letter of the thirty thousand coming weekly to the White House.” What type of sampling design was Kennedy using in this case? Explain your answer. [SOURCE: FromKennedy: The Classical Biography by Ted Sorenson. Published by Harper Perennial, © 2009.]
A researcher divided subjects into two groups according to gender and then selected a fixed proportion of members from each group for his sample. What sampling method was the researcher using? A. Stratified sample. B. Simple random sample. C. Voluntary response sample. D. Cluster sample.
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?
A political scientist is interested in the effect of government type on economic development, She wants to use a sample of 30 countries evenly represented among the Americas, Europe, Asia, and Africa to conduct her analysis. What type of study should she use to ensure that countries are selected from each region of the world? a. Observational - simple random sampling b. Observational - cluster sampling c. Observational - stratified sampling d. Experimental
Answer the problem using random sampling technique concepts. Problem: A researcher would like to collect as sample of 24 math students. if there are 800 math students in the selected university, list down all the 24 students starting with student no. 5. what sampling technique is best suited to this situation?
Gary Chalmers is giving a sample of students at Springfield Elementary School IQ tests. To select his sample, he sorts the students based on their birth date, from oldest to youngest, and selects every 32nd student starting with the 17th. What sampling method did Gary employ?
A researcher wants to study the effects of social media on Grade 11 students in Mathematics High School. He wishes to use the simple random sampling technique in choosing the members of his sample. If there are 1,000 Grade 11 students in the school, how many students should there be in his sample? Discuss the steps he must take if he wishes to use the lottery method.
Imagine that you own a coffee shop in downtown Toronto. You think it's time to expand to a second location in a different part of the Greater Toronto Area. However, you need to make sure that the second location you have selected will be as popular with customers as your current location. You want to do a survey. You know you can't ask everyone, so you need to ask a sample. PART 1: What process should you follow to select your sample? choices are simple, systematic, stratified, and cluster sampling. PART 2: What is the best way to administer your survey to make sure you get enough responses to give you a good representative sample?
Chemistry grades 2A are Brown 70, John 85, Christ 99, Ryan 56, Dovy 87, Megan 48, Zory 77, Vroy 65, Hyu 88, and Sue 86. If 6 samples are taken, what is the sampling error? is error in sampling still tolerable?
PLEASE ANSWER ITEMS 2-8