Suppose you are an expert on the fashion industry and wish to gather information to compare the amount earned per month by models featuring Liz Claiborne attire with those of Calvin Klein. The following is the amount ($000) earned per month by a sample of 15 Claiborne models: $3.9 4.5 $4.2 $5.1 $5.9 $6.4 $6.6 $6.4 $5.5 $3.8 $4.5 6.9 3.7 5.0 6.7 The following is the amount ($000) earned by a sample of 12 Klein models. $4.6 $4.2 $5.2 $5.1 $4.8 $3.9 $4.0 $4.2 $3.6 $3.9 4.3 4.4 B Click here for the Excel Data File Is it reasonable to conclude that Claiborne models earn more? Assume the population standard deviations are not the same. a. Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.) Degrees of freedom b. State the decision rule for 0.10 significance level: Hg: Hclaiborne S Hcolvin Klein : Hz: H cləiborne H colvin Klein: (Round your answer to 3 decimal places.) Reject Ho if t> c. Compute the value of the test statistic. (Round your answer to 3 decimal places.) Value of the test statistic

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
Topic Video
Question
Suppose you are an expert on the fashion industry and wish to gather information to compare the amount earned per month by
models featuring Liz Claiborne attire with those of Calvin Klein. The following is the amount ($000) earned per month by a sample of 15
Claiborne models:
$3.9
$4.2
$5.1
$5.9
$6.4
$6.6
$6.4
$5.5
$3.8
$4.5
4.5
6.9
3.7
5.0
6.7
The following is the amount ($000) earned by a sample of 12 Klein models.
$4.6
$4.2
$5.2
$5.1
$4.8
$3.9
$4.0
$4.2
$3.6
$3.9
4.3
4.4
E Click here for the Excel Data File
Is it reasonable to conclude that Claiborne models earn more? Assume the population standard deviations are not the same.
a. Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.)
Degrees of freedom
b. State the decision rule for 0.10 significance level: Hg: Hclaiborne Pcalvin Klein H1:P claiborne >H Calvin Klein- (Round your
answer to 3 decimal places.)
Reject Ho if t>
c. Compute the value of the test statistic. (Round your answer to 3 decimal places.)
Value of the test statistic
Transcribed Image Text:Suppose you are an expert on the fashion industry and wish to gather information to compare the amount earned per month by models featuring Liz Claiborne attire with those of Calvin Klein. The following is the amount ($000) earned per month by a sample of 15 Claiborne models: $3.9 $4.2 $5.1 $5.9 $6.4 $6.6 $6.4 $5.5 $3.8 $4.5 4.5 6.9 3.7 5.0 6.7 The following is the amount ($000) earned by a sample of 12 Klein models. $4.6 $4.2 $5.2 $5.1 $4.8 $3.9 $4.0 $4.2 $3.6 $3.9 4.3 4.4 E Click here for the Excel Data File Is it reasonable to conclude that Claiborne models earn more? Assume the population standard deviations are not the same. a. Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.) Degrees of freedom b. State the decision rule for 0.10 significance level: Hg: Hclaiborne Pcalvin Klein H1:P claiborne >H Calvin Klein- (Round your answer to 3 decimal places.) Reject Ho if t> c. Compute the value of the test statistic. (Round your answer to 3 decimal places.) Value of the test statistic
d. Is it reasonable to conclude that Claiborne models earn more? Assume the population standard deviations are not the same. Use
the 0.10 significance level.
Hn. It is
to conclude that Claiborne models earn more.
Fail to Reject
Reject
Transcribed Image Text:d. Is it reasonable to conclude that Claiborne models earn more? Assume the population standard deviations are not the same. Use the 0.10 significance level. Hn. It is to conclude that Claiborne models earn more. Fail to Reject Reject
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 steps with 6 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
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
  • 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