The weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows. 1.06 0.99 0.97 1.20 1.39 0.91 1.06 1.16 1.40 0.75 0.96 1.10 0.85 0.91 0.98 1.10 1.12 0.95 1.26 0.98 1.14 0.90 1.18 1.19 0.91 USE SALT 1.26 0.85 (a) Draw a stem and leaf plot or a relative frequency histogram to display the weights. Is the distribution relatively mound-st O No, the distribution is skewed left. O Yes, the distribution is relatively mound-shaped. No, the distribution is skewed right. (b) Find the mean (in lb) of the data set. (Round your answer to four decimal places.) X = 1.0567 lb Find the standard deviation (in lb) of the data set. (Round your answer to four decimal places.) S = 0.1645 lb % % % (c) Find the percentage of measurements in the intervals x ±s, x ± 2s, and x ± 3s. (Round your answers to the nearest perce x+s x + 2s x + 3s

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 weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows.
1.06 0.99 0.97 1.20 1.39
1.06
0.91 0.91 0.98
0.91
1.16 1.40 0.75 0.96
x + 2s
x + 3s
-
X = 1.0567
USE SALT
1.10
1.26
0.98 1.14 0.90 1.18 1.19
(a) Draw a stem and leaf plot or a relative frequency histogram to display the weights. Is the distribution relatively mound-sha
No, the distribution is skewed left.
O Yes, the distribution is relatively mound-shaped.
O No, the distribution is skewed right.
0.85
1.10 0.85
(b) Find the mean (in lb) of the data set. (Round your answer to four decimal places.)
lb
%
%
1.12 0.95 1.26
%
Find the standard deviation (in lb) of the data set. (Round your answer to four decimal places.)
S = 0.1645
lb
(c) Find the percentage of measurements in the intervals x ±s, x ± 2s, and x ± 3s. (Round your answers to the nearest percen
x+s
Transcribed Image Text:The weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows. 1.06 0.99 0.97 1.20 1.39 1.06 0.91 0.91 0.98 0.91 1.16 1.40 0.75 0.96 x + 2s x + 3s - X = 1.0567 USE SALT 1.10 1.26 0.98 1.14 0.90 1.18 1.19 (a) Draw a stem and leaf plot or a relative frequency histogram to display the weights. Is the distribution relatively mound-sha No, the distribution is skewed left. O Yes, the distribution is relatively mound-shaped. O No, the distribution is skewed right. 0.85 1.10 0.85 (b) Find the mean (in lb) of the data set. (Round your answer to four decimal places.) lb % % 1.12 0.95 1.26 % Find the standard deviation (in lb) of the data set. (Round your answer to four decimal places.) S = 0.1645 lb (c) Find the percentage of measurements in the intervals x ±s, x ± 2s, and x ± 3s. (Round your answers to the nearest percen x+s
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 14 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