Elend went to 29 parties with a book and on average 7.9 people tried to talk to him with standard deviation of 1.49. Elend went to 29 parties without a book and on average 7.2 people tried to talk to him with standard deviation of 1.57. Find a 89% confidence interval for the average difference in how many people talk to Elend if he's reading vs not reading at a pa This needs a -Select--- v The z/t/X? score would be Which of the following equations is the right one for this test? P(1 – p) p±Z, S2 X - X, ±1 + 天ttJn P(1– p) S 土。 Vn p±Z x±Z s Vn 2 |s + X -x, ±t, n2 『+rの。 P(1– p) n+t ONone of the above
Elend went to 29 parties with a book and on average 7.9 people tried to talk to him with standard deviation of 1.49. Elend went to 29 parties without a book and on average 7.2 people tried to talk to him with standard deviation of 1.57. Find a 89% confidence interval for the average difference in how many people talk to Elend if he's reading vs not reading at a pa This needs a -Select--- v The z/t/X? score would be Which of the following equations is the right one for this test? P(1 – p) p±Z, S2 X - X, ±1 + 天ttJn P(1– p) S 土。 Vn p±Z x±Z s Vn 2 |s + X -x, ±t, n2 『+rの。 P(1– p) n+t ONone of the above
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
2
Transcribed Image Text:Elend hates going to social parties because people keep wanting to talk to him. He has a theory that if he reads a book while at a party people will leave him alone.
Elend went to 29 parties with a book and on average 7.9 people tried to talk to him with standard deviation of 1.49.
Elend went to 29 parties without a book and on average 7.2 people tried to talk to him with standard deviation of 1.57.
Find a 89% confidence interval for the average difference in how many people talk to Elend if he's reading vs not reading at a party.
This needs a ---Select--- v
The z/t/X2 score would be
Which of the following equations is the right one for this test?
B, ±1\se, ) pzz, 0-p)
P(1– p)
p±Z,
+
n,
r±t S
P(1– p)
Ps+
X ±t°d
Vn
x±Z $
X -x, tt,
n2
p±t,
ONone of the above
Transcribed Image Text:Find the 89% confidence interval.
Use 3 decimal places
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 3 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman