Identify and interpret the p-value for the test

Assignment Help Other Subject
Reference no: EM13337937

In a study by WebCriteria,it took an average of 2.1 minutes to locate information and buy products on the Delta Airlines website, compared to an average of 2.7 minutes on the British Airways site. Assume that data file XR11012 contains the times (in minutes) required during visits to the two websites. In a suitable one-tail test at the 0.01 level, was the mean time for the Delta vists significantly less than that for the British Airway visits? Identify and interpret the p-value for the test.

Reference no: EM13337937

Previous Q& A

  Test null hypothesis that population variances are equal

For two samples from what are assumed to be normally distributed populations, the sample sizes and standard deviationsare n1 = 10, s1= 23.5, n2 =9, ands2 = 10.4. At the 0.10 level of significance, test the null hypothesis that the population variance..

  Assuming the population standard deviation are equal

A sample of 40 investment customers serviced by an account manager are found to have had an average of $23,000 in transaction during the past year, with a standard deviation of $8,500. A sample of 30 customers serviced by another account manager aver..

  Assuming normal populations with equal standard deviations

An educator is considering two different videotapes foruse in a half-day session designed to introduce students to thebasics of economics. Students have been randomly assigned to twogroups,and they all take the same written examination after viewingt..

  Should we reject the directors claim

The director of admissions at a large university says that 15% of high school juniors to whom she sends university literature eventually apply for admission. In a sample of 300 persons to whom materials were sent,30 students applied for admission. In..

  Preliminary study the population standard deviation

A consumer agency has retained an independent testing firm to examine a television manufacturer's claim that its 25-inch console model consumes just 110 watts of electricity.

  Favor of the airlines e-mail idea

An  airline has surveyed a simple random sample of air travelers to find out whether they would be interested in paying a higher fare in order to have access to email during the flight.

  Confidence and the estimated standard deviation

The Arkansas State Police wish to estimate the average mph being traveled on the Interstate Highways,which cross the state.If the estimate is to be within 8 mpg of the true mean with 98% confidence and the estimated standard deviation is 22 mph,how l..

  Confidence interval for the population mean would equal

A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25. The upper limit of a 95% confidence interval for the population mean would equal?

  Determine a confidence interval estimate

Your statistics instructor wants you to determine a confidence interval estimate for the mean test score for the next exam. In the past, the test scores have been normally distributed with a mean of 74.2 and  a standard deviation of 30.9. A 95% confi..

  Different from their counter-parts across the nation

The International Coffee Association has reported the mean daily coffee consumption for U.S. residents as 1.65 cups.Assume that a sample of 38 people from a North Carolina city consumed a mean of 1.84 cups of coffee per a day, with a standard deviati..


Write a Review


Similar Q& A

  Grade calculator solution folder

Professor Arkins wants an application that allows him to assign a grade to any number of students. Each student’s grade is based on three test scores, with each test worth 100 points. The application should total the test scores and then assign the a..

  Illustrates which of vygotsky concepts

Jonas was employing a strategy for solving problems while doing his homework. statement in quotes best illustrates which of Vygotsky's concepts.

  Element experiencing the maximum principal stress

What is the shear stress on an element experiencing the maximum principal stress? Which type of rosette would you use to find the stress conditions in a coal mine? 6. What are the different types of forces? Comment on the types of failure which you w..

  Explain why asexually reproducing organisms

Explain why asexually reproducing organisms are generally found in environments that do not change very much through time, while sexually reproducing organisms are very successful in environments that change dramatically through time.

  Project portfolio management and business strategy

Discuss the linkage between project portfolio management and business strategy with your organisation (current or past). Explain the problems the organisation encounters.

  Describe customer perceived value-total customer benefit

Describe customer perceived value, total customer benefit, and total customer cost. How do the total customer benefit and the total customer cost affect the consumer’s perception? Explain

  Would this be best left to a third party software

What responsibility does an OS have to protect itself with network intrusions? Would this be best left to a third party software? Your thoughts?

  What is the traditional career path

What is the traditional career path for an individual interested in managing casinos?

  Explain medical dictionary or aerospace for career

Locate three specializes reference sources(for instance, a medical dictionary or aerospace encyclopedia) relating to future career filed( any kind of engraving, wood working, or electronics repair) or topic of interest.

  Encourages a high-performing system

Describe and Explain in your own words all the ways that managers can develop an organizational culture that encourages a high-performing system or a learning organization?

  Successful professional sport

"Soccer has not become a widely successful professional sport because it isn't American enough." Discuss the accuracy of this statement in light of information from this unit and then explain whether you agree with it or not.

  Relationship between liver cirrhos and alcohol

A case-control study of the relationship between liver cirrhosis and alcohol use. In this study, smoking is associated with drinking alcohol and is a risk factor for liver cirrhosis among both non-alcoholics and alcoholics. Explain whether smoking is..

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