Please no written by hand solution and no img 1) A medical research team is investigating the benefits of a new surgical treatment. The standard recovery time from the existing surgery is a mean of 96 hours. In a random sample of 40 patients undergoing the new treatment, the mean recovery time was 90 hours with a standard deviation of 12 hours. Is there enough evidence at the 1% significance level to show that the recovery from the new surgical treatment is shorter than 96 hours? c) What’s the significance (α) level?           d) What is the test statistic? Round to three decimal places.           e) What is the p-value? Round to three decimal places.

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

Please no written by hand solution and no img

1) A medical research team is investigating the benefits of a new surgical treatment. The standard recovery time from the existing surgery is a mean of 96 hours. In a random sample of 40 patients undergoing the new treatment, the mean recovery time was 90 hours with a standard deviation of 12 hours. Is there enough evidence at the 1% significance level to show that the recovery from the new surgical treatment is shorter than 96 hours?

c) What’s the significance (α) level?

 

 

 

 

 

d) What is the test statistic? Round to three decimal places.

 

 

 

 

 

e) What is the p-value? Round to three decimal places.

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
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