The American Hospital Association reported that in 2015 the mean cost per day per patient in the U.S. is $1453. A random sample of 22 Pennsylvania hospitals had a mean cost of $1523 per day with a standard deviation of $197. Test to see if the mean cost of Pennsylvania hospitals is higher than the mean overall in the U.S. (use α = .05) a. State the null and alternative hypothesis. b. Compute the test statistic. c. Write your conclusion in a sentence.
The American Hospital Association reported that in 2015 the mean cost per day per patient in the U.S. is $1453. A random sample of 22 Pennsylvania hospitals had a mean cost of $1523 per day with a standard deviation of $197. Test to see if the mean cost of Pennsylvania hospitals is higher than the mean overall in the U.S. (use α = .05) a. State the null and alternative hypothesis. b. Compute the test statistic. c. Write your conclusion in a sentence.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The American Hospital Association reported that in 2015 the
a. State the null and alternative hypothesis.
b. Compute the test statistic.
c. Write your conclusion in a sentence.
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