Answered: n. A random sample of 250 persons…

Name: According to official data, the average annual expenditure on dental c
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Description: According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $50,000 per person. A random sample of 250 persons showed that they spent an average of $49,000 on dental care last year with a standard deviat

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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According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $50,000 per person. A random sample of 250 persons showed that they spent an average of $49,000 on dental care last year with a standard deviation of $10,350. Test at the 5% significance level whether last year’s mean annual dental care expenditure per person in the parish was less than $50,000.

State the hypotheses to be tested.
Using a diagram, show the critical
Calculate the value of the test
What is the conclusion?

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