15. A researcher wishes to study developmental changes in themusic people prefer to listen to. The researcher locates 50people who are about 20 years old. She sends these peoplea questionnaire every year for the next 10 years askingabout the types of music they prefer to listen to. This is anexample of which type of design?a. cross-sectionalb. panelc. longitudinald. nested

Research design plays a crucial role in shaping the methodology of a study, and different designs…

Answered: music people prefer to listen to. The…

Principles Of Marketing

17th Edition

ISBN:9780134492513

Author:Kotler, Philip, Armstrong, Gary (gary M.)

Publisher:Kotler, Philip, Armstrong, Gary (gary M.)

Chapter1: Marketing: Creating Customer Value And Engagement

Section: Chapter Questions

Problem 1.1DQ

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Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
What is acceptance sampling? Explain with an example.
In a cohort study men were classified as having high or low cholesterol levels. Among the group with low cholesterol levels there were 45 heart attacks in 6000 person-years of follow-up and among the group with high cholesterol levels there were 100 heart attacks in 4000 person-years of follow-up. How much heart attacks could theoretically be prevented among men with high cholesterol if nobody had high cholesterol? State the measure and calculate it
Could someone help me out with this
3/4 roller chain is to transmit power from a 17-tooth drive sprocket to 34-tooth sprocket. Centers of the sprockets are 13 inches apart. Estimate the number of teeth in contact with the chain for the larger sprocket.
What are common mistakes made in the problem definition stage of problem-solving?
(c) Based on what we know about Observation B, if the cutoff value is lowered to 0.2, what happens to the values of sensitivity and specificity? Explain. Use the ROC curve to estimate the values of sensitivity and specificity for a cutoff value of 0.2. If required, round your answers to three decimal places. Do not round intermediate calculations. Answer Part C, there are no other parts here. I have the sensitivity already and is equal to 1. What is the specificity??If you are not 100% sure you are right, do not attempt this is frustrating. The cutoff value has changed from 0.5 to 0.2. The sensitivity is 1 which is correct. I need help with the specificity. Sensitivity does not equal 1/14 and specificity does not equal 1/31 so don't answer that and do not answer any other parts just answer part C.
A hospital specializing in the care of patients with various forms of heart disease is attempting to determine the cause of readmission of its patients. Should it rely of the results of general studies such as those described here or should it gather its own data, perform an analysis and draw its own conclusions ? Support your recommendation .
The general meaning of a standard error is best described by which of the following? a. A standard error is another term for the estimated standard deviation of the population. b. If you go out about two standard errors on either side of 0, you can be about 95% confident that the unknown population parameter will be in the resulting interval. c. A standard error is essentially a standard deviation, specifically, the standard deviation of the sampling distribution of the estimate of the population parameter. d. All of these choices are correct characterizations of a typical standard error.
After developing a customer satisfaction survey for a local food service operation, what data you are hoping to collect and what you will do with the data if it were collected. A paragraph on what information you hope to gather (as questions should reflect this) and what you would do with the data if it had been collected.
What research method is being used? A Is it observation B participant observation C interview D survey E experiment
An market researcher is conducting customer satisfaction surveys for a national restaurant chain with 200 restaurant. The researcher randomly selects a sample 10 of the restaurants and interviews all customers over a two-day period. What sampling technique was used?

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