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a. What are the appropriate null and alternative hypothe- ses to test whether the average full-service fee of US fu- neral homes this year is less than $7,640? b. Conduct the test at a = vide sufficient evidence to conclude that the average .05. Do the sample data pro- fee this vear is lower than in 20192

a. What are the appropriate null and alternative hypothe- ses to test whether the average full-service fee of US fu- neral homes this year is less than $7,640? b. Conduct the test at a = vide sufficient evidence to conclude that the average .05. Do the sample data pro- fee this vear is lower than in 20192

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Revenue for a full-service funeral. According to the National Funeral Directors Association (NFDA), the nation's 19,000 funeral homes collected an average of $7,640 per full-service funeral in 2019 (www.nfda.org). A random sample of 36 funeral homes reported revenue data for the current year. Among other measures, each reported its average fee for a full-service funeral. These data (in thousands of dollars) are shown in the following table. 7.2 7.9 12.1 6.8 7.7 6.3 8.8 6.5 7.9 7.7 7.9 7.9 9.9 5.8 6.4 6.8 6.6 8.9 7.2 5.8 7.5 8.0 6.3 7.1 7.7 7.0 5.7 6.1 6.6 6.7 6.9 8.9 5.9 口 7.1 6.8 7.1 a. What are the appropriate null and alternative hypothe- ses to test whether the average full-service fee of US fu- neral homes this year is less than $7640? b. Conduct the test at a = .05. Do the sample data pro- vide sufficient evidence to conclude that the average fee this year is lower than in 2019? c. In conducting the test, was it necessary to assume that the population of average full-service fees was normally distributed? Justify your anSwer. 419 words
Transcribed Image Text:Revenue for a full-service funeral. According to the National Funeral Directors Association (NFDA), the nation's 19,000 funeral homes collected an average of $7,640 per full-service funeral in 2019 (www.nfda.org). A random sample of 36 funeral homes reported revenue data for the current year. Among other measures, each reported its average fee for a full-service funeral. These data (in thousands of dollars) are shown in the following table. 7.2 7.9 12.1 6.8 7.7 6.3 8.8 6.5 7.9 7.7 7.9 7.9 9.9 5.8 6.4 6.8 6.6 8.9 7.2 5.8 7.5 8.0 6.3 7.1 7.7 7.0 5.7 6.1 6.6 6.7 6.9 8.9 5.9 口 7.1 6.8 7.1 a. What are the appropriate null and alternative hypothe- ses to test whether the average full-service fee of US fu- neral homes this year is less than $7640? b. Conduct the test at a = .05. Do the sample data pro- vide sufficient evidence to conclude that the average fee this year is lower than in 2019? c. In conducting the test, was it necessary to assume that the population of average full-service fees was normally distributed? Justify your anSwer. 419 words
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