Q6. A new hair-styler wants to decide about the hair-colouring pricing and she believes that standard hair colouring should be charged no less than 830. She has no record on hair-colouring prices. She took a sample of size 20 and asked about money they are charged for and she found that s = $4.5 and sample means is $28. Decide about the claim that she believes in using a significance level of 0.025.
Q6. A new hair-styler wants to decide about the hair-colouring pricing and she believes that standard hair colouring should be charged no less than 830. She has no record on hair-colouring prices. She took a sample of size 20 and asked about money they are charged for and she found that s = $4.5 and sample means is $28. Decide about the claim that she believes in using a significance level of 0.025.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Q6. A new hair-styler wants to decide about the hair-colouring pricing and she believes that
standard hair colouring should be charged no less than $30. She has no record on hair-colouring
prices. She took a sample of size 20 and asked about money they are charged for and she found
that s = $4.5 and sample means is 828. Decide about the claim that she believes in using a
significance level of 0.025.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff1e1989-73a4-4068-894e-aa41a2931f35%2Feaafc3bd-5d55-4c22-a4db-8f946933808b%2Fe3hyu39_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q6. A new hair-styler wants to decide about the hair-colouring pricing and she believes that
standard hair colouring should be charged no less than $30. She has no record on hair-colouring
prices. She took a sample of size 20 and asked about money they are charged for and she found
that s = $4.5 and sample means is 828. Decide about the claim that she believes in using a
significance level of 0.025.
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