chosen customers from each website. Assume that the data come from a distribution that is Normally distributed. Complete parts a through c below. Click the icon to view the data table and summary statistics of website page views per visit. a) Find a 95% confidence interval for the mean difference, A-He, in page views from the two websites. 0.0 (Round to two decimal places as needed.)

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
A market analyst wants to know if the new website he designed is showing increased page views per visit. A customer is randomly sent to one of two different websites, offering the same products, but with different designs. The accompanying table shows the data from 30 randomly
chosen customers from each website. Assume that the data come from a distribution that is Normally distributed. Complete parts a through c below.
Click the icon to view the data table and summary statistics of website page views per visit.
a) Find a 95% confidence interval for the mean difference, PA - HB, in page views from the two websites.
(Round to two decimal places as needed.)
C
Transcribed Image Text:A market analyst wants to know if the new website he designed is showing increased page views per visit. A customer is randomly sent to one of two different websites, offering the same products, but with different designs. The accompanying table shows the data from 30 randomly chosen customers from each website. Assume that the data come from a distribution that is Normally distributed. Complete parts a through c below. Click the icon to view the data table and summary statistics of website page views per visit. a) Find a 95% confidence interval for the mean difference, PA - HB, in page views from the two websites. (Round to two decimal places as needed.) C
Data Table and Summary Statistics
13
15
5
8
9
4
12
2
13
10
12
13
7
10
11
8
14
14
3
4
12
4
8
4
11
13
6
13
YA =
= 9.00
2
SA
SA = 3.97
YA - YB = 0.73
= 15.72
12
14
4
7
8
3
11
1
14
9
14
12
6
9
10
7
13
15
2
2
11
3
7
5
9
14
5
11
YB = 8.27
2
SB = 18.27
SB = 4.27
SE (VA - YB) = 1.06
Transcribed Image Text:Data Table and Summary Statistics 13 15 5 8 9 4 12 2 13 10 12 13 7 10 11 8 14 14 3 4 12 4 8 4 11 13 6 13 YA = = 9.00 2 SA SA = 3.97 YA - YB = 0.73 = 15.72 12 14 4 7 8 3 11 1 14 9 14 12 6 9 10 7 13 15 2 2 11 3 7 5 9 14 5 11 YB = 8.27 2 SB = 18.27 SB = 4.27 SE (VA - YB) = 1.06
Expert Solution
Step 1: Given Information:

The objective is to construct a 95% confidence interval for the mean difference mu subscript A minus mu subscript B in page views from the two websites.

steps

Step by step

Solved in 3 steps with 11 images

Blurred answer
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