In the world population, 81.2% of all people have dark brown or black hair, 10.3% have brown hair, 6.3% have blond hair and 2.2% have red, gray, or white hair. A researcher wants to see if the distribution of hair color is different for the residents of Nashville. The table below shows the results of a random sample of 568 residents in Nashville. What can be concluded at the si

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
100%

In the world population, 81.2% of all people have dark brown or black hair, 10.3% have brown hair, 6.3% have blond hair and 2.2% have red, gray, or white hair. A researcher wants to see if the distribution of hair color is different for the residents of Nashville. The table below shows the results of a random sample of 568 residents in Nashville. What can be concluded at the significant level of a = 0.01. 

 

Your friend Courtney helped you with the null and alternative hypotheses...
Ho: The distributions of hair colors are the same between the general population and the residents of
Nashville.
H₁: The distributions of hair colors are NOT the same between the general population and the residents of
Nashville.
a. The observed frequencies are recorded below. Fill in the expected value, round answers to at least 4
decimal places.
Hair Color
Dark Brown or Black
Brown
Blonde
Red, Gray, White or Other
b. The degree of freedom =
c. The test-statistic for this data
d. The p-value for this sample
=
=
Observed
462
53
32
21
Expected
Transcribed Image Text:Your friend Courtney helped you with the null and alternative hypotheses... Ho: The distributions of hair colors are the same between the general population and the residents of Nashville. H₁: The distributions of hair colors are NOT the same between the general population and the residents of Nashville. a. The observed frequencies are recorded below. Fill in the expected value, round answers to at least 4 decimal places. Hair Color Dark Brown or Black Brown Blonde Red, Gray, White or Other b. The degree of freedom = c. The test-statistic for this data d. The p-value for this sample = = Observed 462 53 32 21 Expected
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 3 images

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

Please help me figure out how to find the P value for the sample.

Solution
Bartleby Expert
SEE SOLUTION
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