Name the test The conditions are met to use a 2Sample T.Test Test Statistic The symbol and value of the random variable on this problem are as follows: Round value to 2 decimal places - 21 x cel phones per 100 residenta Set up the formula of the test statistic with nunbers rounded to 2 decimal place: V(E) (4)) 21 Final answer from technology to 2 decimal places: O: Obtain the Pvalue Report the final anwer to 4 decimal places. It is possible when rounded that apvalue is 0.0000 Pvalue M Make a decision Since the p-values we ect S: State a conclustion • There is signiticant evidence to conclude (he mean number of cell phones per 100 residents of al countries of the Amenicas s less than the mean number of cel phonen per 100 edents of all countes in Europe

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
Is it reasonable to assume that poputation 2 is normally distributed
Not necessary to check since the sample sizo is at loast 30
N: Name the test
The conditions are met to use a 2Sample T-Test
T: Test Statistic
The symbol and value of the random variable on this problem are as follows:
Round value to 2 decimal places
-23.1 x cell phones per 100 residents
Set up the formula of the test statistic with numbers rounded to 2 decimat place:
21
21
Final answer from technology to 2 decimal places:
O: Obtain the P-value
Report the final answer to 4 decimal places.
It is possible when rounded that a p-value is 0.0000
P.value
M Make a decision
Since the p-valuesv
,we reject H
5: State a conclustion
• There is
f significant evidence to conciude
he mean number of cell phones per 100 residents of all countres of the Amenicas
is less than
the mean number of cel phones per 100 residents of allcountries in Erope
Part B.) CONFIDENCE INTERVAL
N Name the procedure
2Sarmpie Tinteral
t Interval estimate (round endpoints to 2 decimal placeil)
confidence interval for
cell phones per 100
residents
cell phones per 100 residents)
Transcribed Image Text:Is it reasonable to assume that poputation 2 is normally distributed Not necessary to check since the sample sizo is at loast 30 N: Name the test The conditions are met to use a 2Sample T-Test T: Test Statistic The symbol and value of the random variable on this problem are as follows: Round value to 2 decimal places -23.1 x cell phones per 100 residents Set up the formula of the test statistic with numbers rounded to 2 decimat place: 21 21 Final answer from technology to 2 decimal places: O: Obtain the P-value Report the final answer to 4 decimal places. It is possible when rounded that a p-value is 0.0000 P.value M Make a decision Since the p-valuesv ,we reject H 5: State a conclustion • There is f significant evidence to conciude he mean number of cell phones per 100 residents of all countres of the Amenicas is less than the mean number of cel phones per 100 residents of allcountries in Erope Part B.) CONFIDENCE INTERVAL N Name the procedure 2Sarmpie Tinteral t Interval estimate (round endpoints to 2 decimal placeil) confidence interval for cell phones per 100 residents cell phones per 100 residents)
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

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