A. Identify the type of sampling technique used by the researcher in each situation.1. The office clerk gave the researcher a list of 500 Grade 11students. The researcher selected every 20th name on the list.2. A researcher interviewed people from each town in the provinceof Leyte for his research.3. A researcher selected a sample of n=120 from a population of850 using the Table of Random Numbers.4. A researcher surveyed all diabetic patients in each of the 25randomly selected hospitals in Metro Manila5. A researcher chose the subject of her study by selecting everykth member of the population.

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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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The Kick Avenue has 5 of the best-selling shoes in Indonesia. Following is the data obtained by Kick Avenue for total sales in the last 1 month. a. In how many different ways can the 4 shoe samples be formed from the data above? b. What is the population mean? c. What is the mean value for the sampling distribution above?
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.
AS2. NO1. DATA ANALYSIS
1. You want to know the number of fans at the Miami Dolphins and Dallas Cowboys game that think the Dolphins will win. You survey 50 fans with season tickets for the Dolphins. a. What is the population of your survey? b. What is the sample of your survey? c. Is the sample biased or unbiased? Explain.
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
1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far.
Please answer questions D and E for me
Please, I want to solve these paragraphs in full, I just want the answer
PLEASE TRY TO SOLVE ALL OF THESE (I AM STUDYING FOR A HUGE TEST!) THANK YOU!1. Caroline is doing research on the heights of players on her soccer team. Select each description that is an example of systematic sampling. A. Caroline chooses every seventh person on the team roster, starting with the second. B. Caroline randomly chooses one of her teammates. C. Caroline chooses the first 5 names on the team roster. D. Caroline chooses everyone on her team. E. Caroline has her teammates count off by 6 and chooses the ones who counted “3.” 2. You are doing research on the students in your class. Which of the following descriptions is an example of systematic sampling? A. You make a list of the students and choose the first 5 names on your list. B. You choose every student whose birthday is in July. C. You choose every student in your class. D. You have the students count off by 5 and choose the students who counted “4.” 3. Think About the Process The houses on a…
1. A researcher is interested in the texting habits of high schools students in the United States. The researcher selects a group of 200 students, measures the number of text messages that each individual sends each day (for a single week), and calculates the average number for the group. a. Identify the population for the study. b. Identify the sample for this study. c. The average number calculated is an example of what?

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