A simple random sample of size n= 40 is drawn from a population. The sample mean is found to be x = 121 1 and the sample standard deviation is found to be s=13.1. Construct a 99% confidence interval for the population mean The lower bound is 116.07 (Round to two decimal places as needed.) GEOD

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

I got it wrong . It wasn't 116.07

140
A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x = 121.1 and the sample standard deviation is found to be s = 13.1. Construct a 99% confidence interval for the population mean
The lower bound is 116.07. (Round to two decimal places as needed.)
100
Transcribed Image Text:140 A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x = 121.1 and the sample standard deviation is found to be s = 13.1. Construct a 99% confidence interval for the population mean The lower bound is 116.07. (Round to two decimal places as needed.) 100
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
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