A sales manager for a large department store believes that customer spending per visit with a sale is higher than customer spending without a sale, and would like to test that claim. A simple random sample of customer spending is taken from without a sale and with a sale. The results are shown below. Without sale With safe Mean 74.894 78.138 Varkence 1951.47 1852.0102 Observations 200 300 Hypethestred Men Difference of 419 tStat 0.813 0.206 PTet one-tal tCrtkal one-tal 1648 P(Te two-tal tCrtical two-tal 0417 1.966 Confidence Level 95K Ex 1.234 Samples from without sale: n = Ex 9 Samples from with sale: n2 = Point estimate for spending without sale: = Ex 1.234 Point estimate for spending with sale. T2 %3D
A sales manager for a large department store believes that customer spending per visit with a sale is higher than customer spending without a sale, and would like to test that claim. A simple random sample of customer spending is taken from without a sale and with a sale. The results are shown below. Without sale With safe Mean 74.894 78.138 Varkence 1951.47 1852.0102 Observations 200 300 Hypethestred Men Difference of 419 tStat 0.813 0.206 PTet one-tal tCrtkal one-tal 1648 P(Te two-tal tCrtical two-tal 0417 1.966 Confidence Level 95K Ex 1.234 Samples from without sale: n = Ex 9 Samples from with sale: n2 = Point estimate for spending without sale: = Ex 1.234 Point estimate for spending with sale. T2 %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![O https://learn.zybooks.com/zybook/MAT-240-J4373-OL-TRAD-UG.22EW4/chapter/8/section/1?content_resource. A Q
library > MAT 240: Applied Statistics home >
Hypothesis tests for the difference between two population means
E zyBooks catalog
O Help/FAC
Start
A sales manager for a large department store believes that customer spending per visit with a sale is higher than
customer spending without a sale, and would like to test that claim. A simple random sample of customer spending is
taken from without a sale and with a sale. The results are shown below.
Without sale With safe
Mean
74.894
78.138
Variance
1951.47 1852.0102
Observations
200
300
Hypathestkpd Mean Difference
df
419
tStat
O.813
P(T<t) one-tal
0.208
tOrtkal one-tail
1,648
P(T<=t) two-tal
0.417
t Critkal two-tall
1.966
Confidence Level
95%
p=
Ex: 1.234
Samples from without sale: n = Ex: 9
Samples from with sale: n2 =
Point estimate for spending without sale: = Ex 1.234
Point estimate for spending with sale: a2 =
%3!
Check
Next
ere to search
fo
80°F A a O O
F3
-
* F11
F5
F6
F7
F9
F10
Prisc
Insert
Delete
F12
%23
&
ak
4.
5
8.
9.
Backspace
Nu
Loc
Y
U
P
F
K
L
%D
Enter
V
M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb78e334b-28c2-44a7-932b-a716b13e3269%2F285072fd-03ef-42a8-b3be-56eccedbc66b%2Fbp5i0u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:O https://learn.zybooks.com/zybook/MAT-240-J4373-OL-TRAD-UG.22EW4/chapter/8/section/1?content_resource. A Q
library > MAT 240: Applied Statistics home >
Hypothesis tests for the difference between two population means
E zyBooks catalog
O Help/FAC
Start
A sales manager for a large department store believes that customer spending per visit with a sale is higher than
customer spending without a sale, and would like to test that claim. A simple random sample of customer spending is
taken from without a sale and with a sale. The results are shown below.
Without sale With safe
Mean
74.894
78.138
Variance
1951.47 1852.0102
Observations
200
300
Hypathestkpd Mean Difference
df
419
tStat
O.813
P(T<t) one-tal
0.208
tOrtkal one-tail
1,648
P(T<=t) two-tal
0.417
t Critkal two-tall
1.966
Confidence Level
95%
p=
Ex: 1.234
Samples from without sale: n = Ex: 9
Samples from with sale: n2 =
Point estimate for spending without sale: = Ex 1.234
Point estimate for spending with sale: a2 =
%3!
Check
Next
ere to search
fo
80°F A a O O
F3
-
* F11
F5
F6
F7
F9
F10
Prisc
Insert
Delete
F12
%23
&
ak
4.
5
8.
9.
Backspace
Nu
Loc
Y
U
P
F
K
L
%D
Enter
V
M
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman