Significant preferences among three versions of photograph

Assignment Help Basic Statistics
Reference no: EM13135601

A researcher is investigating the physical characteristics that influence whether a person's face is judged as beautiful. The researcher selects a photograph of a women and then creates two modifications of the photo by (1) moving the eyes slightly farther apart and (2) moving the eyes slightly closer together. The original photograph and the two modifications are then shown to a sample of n=150 collage students, and each student is asked to select the "most beautiful: of the three faces. the distribution of responses was as follows:

original Eyes moved Eyes moved
Photo Apart Together
51 72 27

Do the data indicate any significant preferences among the three versions of the photograph? Test at the .05 level of significance.

Reference no: EM13135601

Questions Cloud

Determining cultural communications : Choose a movie that you have not previously seen from the following list: Mi Familia, My Big Fat Greek Wedding, I Am Sam, or Amistad. Watch the movie with this question in mind
Section i: self-directed learning : Section I: Self-directed learning:What do you think about self-directed learning in what and how we learn? Can or should all learning be self-directed, why or why not?
Determine the net present value of purchasing : Determine the Net Present Value of purchasing the new freezer using a required rate of return of 14%. Should bravo purchase the freezer?
What price should the company charge : In addition, the company incurs $200,000 in fixed costs annually. If demand falls to 80,000 units and the company insists on a 50% mark-up, what price should the company charge?
Significant preferences among three versions of photograph : Do the data indicate any significant preferences among the three versions of the photograph? Test at the .05 level of significance.
Tourism in korea-in depth country review : Choose a country that you have not lived in, nor spent more than a week in. Find at least three book sources and at least seven sources in all and begin reading about the culture of this country.
Company total net operating income : It is estimated that $38,400 of these fixed expenses could be eliminated if the department is discontinued. These data indicate that if the department is discontinued, the company's overall net operating income would:
What is the price if a markup of total cost : A company has $27 per unit in variable costs and $1,000,000 per year in fixed costs. Demand is estimated to be 100,000 units annually. What is the price if a markup of 40% on total cost is used to determine the price?
Prepare the correcting je that you would propose : On February 1, 2010, Katz corp. purchased a small lot and unusable building for $12,000, including back taxes of $1,000. On March 1, 2010, the lot was cleared, paved, and fenced to provide additional parking for employees.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Is there a difference in mean number of times order take-out

At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? What is the p-value?

  Average forecast of demand

Compute a 3-month moving average forecast of demand for April through January (of the next year).

  Probability that a randomly selected vehicle

What is the probability that a randomly selected vehicle's VMD will lie between 60,000 and 100,000 miles since its previous crash?

  Probability the mean of the sample in miles is less

Assuming that the manufacturer's claim is correct, what is the probability the mean of the sample is 37,650 miles or less?

  Reject or fail to reject the null hypothesis

Suppose you are a researcher who has collected and analyzed a sample of values. When you perform a hypothesis test the p-value is calculated to be 0.051. Would you reject or fail to reject the null hypothesis? Defend your choice.

  Find the expected value of the number of tests taken

Find the expected value of the number of tests taken.

  Evaluating value of population proportion

Evaluate the value of population proportion. Develop a 99% confidence interval for population proportion.

  Hand lengths of women in us air force

Women in the U.S. Air Force have hands that are 6.9 inches on the average (from the tip of the middle finger to the heel of the hand). The standard deviation is 0.34 inches. Assume that hand length is normally distributed.

  Simultaneous responses to two categorical questions

When studying the simultaneous responses to two categorical questions, we should set up a:

  Type of research design

Record the type of research design used. True lab experiment, quasi-experiment, field experiment, or correlation design.

  Smokers to receive nicotine patches

Nicotine patches are often used to help smokers quit. Does giving medicine to fight depression also help? A randomized double blind experiment assigned 244 smokers to receive nicotine patches and another 245 to receive both a patch and the antidep..

  Probability of getting science instructor or math instructor

Computer science instructor, 3 statistics instructors, and 4 science instructors. If an instructor is selected, find the probability of getting a science instructor or math instructor.

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