6.Name the sampling technique used (cluster, convenience, simple random, stratified, orsystematic).a. Measure the length of time every fifth person coming into a bank waits for teller service over aperiod of two days.b. Take a sample of five zip codes from the Chicago metropolitan region and use all theelementary schools from each of the zip code regions. Determine the number of studentsenrolled in first grade in each of the schools selected.C. Divide the users of the computer online service Internet into different age groups and then selecta random sample from each age group to survey about the amount of time they are connected tothe Internet each month.

Answered: 6. Name the sampling technique used…

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 technique used. Every fifth person boarding a plane is searched thoroughly. A. convenience B. systematic C. stratified D. cluster E. random
Maddie surveys the 51 people in attendance at church today. Identify the sampling technique: ClusterConvenienceStratifiedSystematicRandom
Acme Bus Company has selected you to conduct a survey of their riders. They want data on 50 minors (younger than 18 years) and 100 adults (18 years or older). You will use quota sampling. a) Define quota sampling b) Justify why quota sampling is used in the survey c) Explain how you would select the sample. d) Explain how you would gather the data.
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
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
A political scientist surveys 36 of the current 92 representatives in a state's legislature. What is the size of the sample: What is the size of the population: Submit Question
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
a. Are all of the 811 opinions accounted for in the table? Add another category if necessary. b. Create a pie chart to describe the data. c. Create a bar chart to describe the data. d. Rearrange the bars in part c so that the categories are ranked from the largest percentage to the smallest e. Which of the three methods of presentation--part b, c, or d is the most effective?
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The department head of a private secondary school in Marikina City surveyed randomly selected students from each grade level to know their readiness in limited face-to-face classes. a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling d. Cluster Sampling
I In a single sampling application, the lot size is 1,400 and the sample size is 100 and c=5. The average total inspection number is calculated as 121,58. Calculate the AOQ.

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