Еxample 3 It is known that the average daily hospital room charge in the US is $687. A random sample of 12 bills at a particular US hospital revealed that the sample mean and standard deviation were $722 and $57.87 respectively. Assuming that the room charges at the hospital follow a distribution that is approximately normal, use a 5% level of significance to test the claim that the hospital is overcharging.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Ехample 3
It is known that the average daily hospital room charge in the US is $687. A random
sample of 12 bills at a particular US hospital revealed that the sample mean and
standard deviation were $722 and $57.87 respectively. Assuming that the room
charges at the hospital follow a distribution that is approximately normal, use a 5%
level of significance to test the claim that the hospital is overcharging.
Transcribed Image Text:Ехample 3 It is known that the average daily hospital room charge in the US is $687. A random sample of 12 bills at a particular US hospital revealed that the sample mean and standard deviation were $722 and $57.87 respectively. Assuming that the room charges at the hospital follow a distribution that is approximately normal, use a 5% level of significance to test the claim that the hospital is overcharging.
Steps Of Hypothesis Testing
1. State your hypothesis
2. Choose the test statistic
3. Calculate the test statistic
4. Calculate the p-value
5. Draw your conclusion
Transcribed Image Text:Steps Of Hypothesis Testing 1. State your hypothesis 2. Choose the test statistic 3. Calculate the test statistic 4. Calculate the p-value 5. Draw your conclusion
Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman