You work for a consumer watchdog publication and are testing the advertising claims of a tire manufacturer. The manufa test 16 tires and get the following life spans. Complete parts (a) through (c) below. 48,854 41,439 26,895 38,919 32,129 39,649 41,423 35,083 24,680 32,992 39,044 36,579 34,198 38,590 36,914 45,120 27,097 46,437 27,097 46,437 Distance (in miles) Distance (in miles) Is it reasonable to assume that the life spans are normally distributed? Why? Choose the correct answer below. A. Yes, because the histogram is symmetric and bell-shaped. B. No, because the histogram is neither symmetric nor bell-shaped. C. No, because the histogram is symmetric and bell-shaped. O D. Yes, because the histogram is neither symmetric nor bell-shaped. (b) Find the mean of your sample. The mean is 37031.8. (Round to one decimal place as needed.) Find the standard deviation of your sample. The standard deviation is |. (Round to one decimal place as needed.) Enter your answer in the answer box and then click Check Answer. Frequency Frequency

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
icon
Concept explainers
Topic Video
Question
Please solve the standard deviation!
You work for a consumer watchdog publication and are testing the advertising claims of a tire manufacturer. The manufa
test 16 tires and get the following life spans. Complete parts (a) through (c) below.
48,854 41,439 26,895 38,919 32,129 39,649 41,423 35,083 D
24,680 32,992 39,044 36,579 34,198 38,590 36,914 45,120
4.
2.
2-
27,097
46,437
27,097
46,437
Distance (in miles)
Distance (in miles)
Is it reasonable to assume that the life spans are normally distributed? Why? Choose the correct answer below.
A. Yes, because the histogram is symmetric and bell-shaped.
B. No, because the histogram is neither symmetric nor bell-shaped.
OC. No, because the histogram is symmetric and bell-shaped.
D. Yes, because the histogram is neither symmetric nor bell-shaped.
(b) Find the mean of your sample.
The mean is 37031.8. (Round to one decimal place as needed.)
Find the standard deviation of your sample.
The standard deviation is | (Round to one decimal place as needed.)
Enter your answer in the answer box and then click Check Answer.
Frequency
Frequency
Transcribed Image Text:You work for a consumer watchdog publication and are testing the advertising claims of a tire manufacturer. The manufa test 16 tires and get the following life spans. Complete parts (a) through (c) below. 48,854 41,439 26,895 38,919 32,129 39,649 41,423 35,083 D 24,680 32,992 39,044 36,579 34,198 38,590 36,914 45,120 4. 2. 2- 27,097 46,437 27,097 46,437 Distance (in miles) Distance (in miles) Is it reasonable to assume that the life spans are normally distributed? Why? Choose the correct answer below. A. Yes, because the histogram is symmetric and bell-shaped. B. No, because the histogram is neither symmetric nor bell-shaped. OC. No, because the histogram is symmetric and bell-shaped. D. Yes, because the histogram is neither symmetric nor bell-shaped. (b) Find the mean of your sample. The mean is 37031.8. (Round to one decimal place as needed.) Find the standard deviation of your sample. The standard deviation is | (Round to one decimal place as needed.) Enter your answer in the answer box and then click Check Answer. Frequency Frequency
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Centre, Spread, and Shape of a Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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