Brian Hunter
A PHP Error was encountered
Severity: Notice
Message: Undefined index: userid
Filename: views/question.php
Line Number: 212
Backtrace:
File: /home/mycocrkc/statisticsanswered.com/application/views/question.php
Line: 212
Function: _error_handler
File: /home/mycocrkc/statisticsanswered.com/application/controllers/Questions.php
Line: 416
Function: view
File: /home/mycocrkc/statisticsanswered.com/index.php
Line: 315
Function: require_once
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 five randomly chosen customers from each website.
a) Find the sample mean page views for each website.
b) Find the estimated difference of the sample mean, left parenthesis y overbar 1 minus y overbar 2 right parenthesis, page views of the two websites.
c) Find the sample variance for each website.
d) Find the sample standard deviations for each website.
e) Find the standard error of the difference of the sample means.