Explain because the confidence interval includes zero, Operation Management

Assignment Help:

A study was done to examine whether the perception of service quality at hotels differed by gender. Hotels were randomly selected to rate service items on a 50point scale. The sum of the guest scores are provided in the table. Complete parts a and b.

Males Females
n 128 111
Mean 39.24 38.79
s 6.79 7.44

a. Construct a 95% confidence interval for the difference between the population mean service-rating scores given by male and female guests at the hotel.

the 95% confidences interval is ( , ) round to 3 decimal places as needed)

b. Use the interval, part a, to make an inference about whether the perception of service quality at hotels differs by gender. Choose from the options below

A. The perception differs, because the confidence interval includes zero.

B. The perception differs, because the confidence interval does not include include zero.

C. The perception does not differs, because the confidence interval does not include include zero.


Related Discussions:- Explain because the confidence interval includes zero

Explain general strategies in the business buying decision, Describe the ei...

Describe the eight general strategies in the business buying decision process

Explain supermarket is monitored using a range, Checkout time at a supermar...

Checkout time at a supermarket is monitored using a range and mean chart. Six samples which contain 20 observations per sample have been collected and the sample means and sample r

Role of operation manager in an organisation, Role of Operation Manager in ...

Role of Operation Manager in an Organisation The challenge for operations managers would appear to be complex. In manufacturing, business drivers will be a relentless increase

LP, SHAYO & Sons is a canning company in Arusha that currently operates two...

SHAYO & Sons is a canning company in Arusha that currently operates two small canning State Mining Corporation (SMC) is establishing a production plan for the current week at its M

Explain what is the total cost of this policy, Rocky Mountain Tire Center s...

Rocky Mountain Tire Center sells 20,000 go-cart tires per year. The ordering cost for each order is $40, and the holding cost is 20% of the purchase price of the tires per year. Th

How several more hours of overtime would each worker, Games4U makes video g...

Games4U makes video games on CDs at its Old Town plant. The plant produces 800 games each day, and employs 100 workers that work 8 hours each day. They use the following resources

Explain whether or not the usa patriot act violates, Discuss whether or not...

Discuss whether or not the USA PATRIOT Act violates the privacy rights of U.S. citizens. In your response, be sure to include a description of which aspects of the Act you do or do

Explain what capability would an organization have, What capability would a...

What capability would an organization have to have to not need forecasts?

Explain ennoblement in addition to the primary deliverable, Almost all proj...

Almost all project have deliverables dealing with documentation and customer ennoblement in addition to the primary deliverable

Explain should people in all job categories be tested, If you believe that ...

If you believe that urine testing in some form might be acceptable, write down the outlines of sound testing program. Who should be tested? Employees? Job applicants? Should there

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd