To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at General Foods selects every 16th soup canthat comes off the assembly line starting with the sixth until she obtains a sample of 50 soup cans......What type of sampling is used?O A. ConvenienceВ. ClusterC. SystematicD. Simple randomE. Stratified

Answered: Image /qna-images/answer/8a29fed9-085c-4c5f-af4b-32aeee73f80a.jpg

Answered: To estimate the percentage of defects…

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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A time analyst for the Super-Fast speedway pit crew observed the mechanic in charge of changing both front tires during a pit-stop practice session. The mechanic’s job is divided into six work elements and a preparation time between drills. The element times (in seconds) for the first six cycles are shown in Table.a. Calculate the normal time for changing tires.b. What sample size is appropriate for estimating the average time for work element 3 within +-1 percent of the true mean with 99 percent confidence?c. What is the standard time for changing tires if the allowance is 20 percent?
A sampling technique in which the researcher uses the referrals of the respondent is known as a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Random Sampling d. Snowball Sampling
Sony wants to administer a satisfaction survey to its current customers. Using their customer database, the company randomly selects 90 customers and asks them about their level of satisfaction with the company. What type of sampling is used? O A. Systematic O B. Stratified O C. Convenience O D. Simple random O E. Cluster
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Best choice
To conduct a door-to-door survey about crime victimization, a city official randomly selects 5 city blocks and surveys all the residents of these 5 city blocks. What type of sample is this?A. Simple Random SampleB. Systematic Random SampleC. Cluster SampleD. Multistage SampleE. Stratified Random Sample
A. In each of the following situations, a random sample must be obtained. Determine whether a cluster, stratified, or systematic random sampling would be appropriate. Explain in detail how the sampling is to be conducted. Do not discuss expected results or conclusions. A large convenience store chain wishes to determine its customers’ level of satisfaction with regard to their service. A nationwide survey on charter change is to be conducted. (Note: there are seventeen regions in the Philippines.) An educational researcher wants to compare the difference in career goals between male and female students of Otto Hahn University who has 10,000students. A social researcher wants to determine whether electronic engineers who work in the communications field earn more than those who are in the semiconductor industry. A market analyst would like to compare the durability, in terms of mean time before wear, of two leading brands of car tires. B. The numbers of incorrect answers on a true or…
What is the sampling method described? The population is divided into groups where similar cases are grouped together. Then second sampling method is employed to sample the cases within each group. a. A simple random sampling b. Stratified sampling c. Cluster sampling d. Multi-stage sampling
A governmental agency computed the proportion of violent crimes in the United States in a particular year falling into each of four categories. A simple random sample of 500 violent crimes committed in California during that year were categorized in the same way. The following table presents the results. Category U.S.Proportion CaliforniaFrequency Murder 0.018 4 Forcible Rape 0.07 35 Robbery 0.390 218 Aggravated Assault 0.522 243 Can you conclude that the proportions of crimes in the various categories in California differ from those in the United States as a whole? Use the 0.05 level of significance and the P-value method with the TI-84 Plus calculator. (b) Find the P-value. Round the answer to at least four decimal places.
A market reseacher selects 500 drivers under 30 years of age and 500 drivers over 30 years of age. Which of these sampling is used?
The Board of Directors for a group medical practice is analysing the business. They have data on the day to day operations o the practice along with patient information. They randomly selected 10 days from each of the 6 months they have been in operation and collected information on income. What type of sampling method was used? Select one: a Mutstage Randon Sampling b. Voluntary Sampling c. Simple Random Sampling d. Stratified Random Sampling e None Cluster Sampling

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