A scientific study was conducted to determine the hours of sleep that college students get per night. The study surveyed 20 college students and obtained the following data: 8, 8.3, 7.8, 7.7, 8.6, 8.1, 7.7, 8.5, 8.1, 8.2, 8.2, 7.9, 8.5, 7.9, 8.3, 8.2, 7.8, 7.8, 7.8, 7.7 Assuming the population standard deviation is σ=0.31σ=0.31, construct a 86% confidence interval for the average hours of sleep per night that college students get. xˉ=x̄= α2=α2= zα2=zα2= Margin of Error: E=E= We are 86% confident that college students get an average of between  hours and  hours of sleep per night. Submit QuestionQuestion

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
A scientific study was conducted to determine the hours of sleep that college students get per night. The study surveyed 20 college students and obtained the following data:

8, 8.3, 7.8, 7.7, 8.6, 8.1, 7.7, 8.5, 8.1, 8.2, 8.2, 7.9, 8.5, 7.9, 8.3, 8.2, 7.8, 7.8, 7.8, 7.7

Assuming the population standard deviation is σ=0.31σ=0.31, construct a 86% confidence interval for the average hours of sleep per night that college students get.

xˉ=x̄=

α2=α2=

zα2=zα2=

Margin of Error: E=E=

We are 86% confident that college students get an average of between  hours and  hours of sleep per night.
Submit QuestionQuestion 
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
  • SEE MORE 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