Question 4 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...


Question 4<br>According to official data, the average annual expenditure on dental care in Kingston, Jamaica is<br>at least $50,000 per person. A random sample of 250 persons showed that they spent an average<br>of $49,000 on dental care last year with a standard deviation of $10,350. Test at the 5% significance<br>level whether last year's mean annual dental care expenditure per person in the parish was less<br>than $50,000.<br>a) State the hypotheses to be tested.<br>b) Using a diagram, show the critical region.<br>c) Calculate the value of the test statistic.<br>d) What is the conclusion?<br>

Extracted text: Question 4 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. a) State the hypotheses to be tested. b) Using a diagram, show the critical region. c) Calculate the value of the test statistic. d) What is the conclusion?

Jun 03, 2022
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here