Samuels is a chain of family restaurants. Like many other service companies, Samuels surveys its customers on
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Samuel’s is a chain of family restaurants. Like many other service companies, Samuel’s surveys its customers on a regular basis to monitor their opinions. Two questions (among others) asked in the survey are as follows:
a. While you were at Samuel’s, did you find the service Slow (1), Moderate (2), or Fast (3)?
b. What day was your visit to Samuel’s? The responses of a random sample of 269 customers were recorded. Can the manager infer that there are differences in customer perceptions of the speed of service between the days of the week?
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H 0 The locations of all 7 populations are the same ...View the full answer
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Jonas Araujo
I have recently received the degree of PhD. In Physics by the Universidade Federal do Maranhão after spending a term in Durham University, as I have been awarded a scholarship from a Brazilian mobility program. During my PhD. I have performed research mainly in Theoretical Physics and published works in distinguished Journals (check my ORCID: https://orcid.org/0000-0002-4324-1184).
During my BSc. I have been awarded a scholarship to study for a year in the University of Evansville, where I have worked in detection-analysis of photon correlations in the the Photonics Laboratory. There I was a tutor in Electromagnetism, Classical Mechanics and Calculus for most of that year (2012).
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