The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below.   Assume the population is normally distributed. 1428 1226 988   692 720 832   726 743 546   624 1442 944         Question content area bottom Part 1 ​(a) Find the sample mean.   x=enter your response here ​(Round to one decimal place as​ needed.) Part 2 ​(b) Find the sample standard deviation.   s=enter your response here ​(Round to one decimal place as​ needed.) Part 3 ​(c) Construct a 99​% confidence interval for the population mean μ.   A 99​% confidence interval for the population mean is ​(enter your response here​,enter your response here​). ​(Round to one decimal place as​ needed.)

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
The state test scores for
12
randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below.
 
Assume the population is normally distributed.
1428
1226
988
 
692
720
832
 
726
743
546
 
624
1442
944
 
 
 
 

Question content area bottom

Part 1
​(a) Find the sample mean.
 
x=enter your response here
​(Round to one decimal place as​ needed.)
Part 2
​(b) Find the sample standard deviation.
 
s=enter your response here
​(Round to one decimal place as​ needed.)
Part 3
​(c) Construct a
99​%
confidence interval for the population mean
μ.
 
A
99​%
confidence interval for the population mean is
​(enter your response here​,enter your response here​).
​(Round to one decimal place as​ needed.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 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