Monday
April 21, 2014

Homework Help: statistics

Posted by appy on Friday, November 2, 2012 at 3:45am.

The purchasing department has suggested that all new computer monitors for your company should
be a new design. You want data to assure you that employees will like the new monitors. The next 20
employees needing a new computer are the subjects for an experiment.
(a) Label the employees 01 to 20. Randomly choose 10 to receive new monitors. The
remaining 10 get standard monitors.
(b) After a month of use, employees express their satisfaction with their new monitors by
responding to the statement "I like my new monitor" on a scale from 1 to 5, where 1 represents
"strongly disagree", 2 is "disagree", 3 is "neutral", 4 is "agree", and 5 stands for "strongly agree'.
The employees with the new monitors have average satisfaction 4.4 with standard deviation 0.7.
The employees with the standard monitors have average 3.2 with standard deviation 1.5. Give a
95% con dence interval for the di erence in the mean satisfaction scores for all employees.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Principles of Business - Approximately how many people work in the: Finance ...
statistics - The head of a computer science department is interested in ...
Accounting - Your departmentís accounting software is extremely outdated and you...
ACCOUNTING - Your departmentís accounting software is extremely outdated, and ...
accounting - Your departmentís account software is extremely outdated and you ...
Computer hardware - What circumstance would be the only reason for one to toil ...
Statistics - A recent article in a computer magazine suggested that the mean ...
Statistics - The lifetime of computer chips is approximately normal with mean 1....
English: Please help - Serving the financial division of the government is the ...
Computer - An organization is having its seven department located on 3 floors of...

Search
Members