Explain how a within-subjects design avoids the problems created by individual differences and how a between-subjects design avoids the problems created by order effects.
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- Mrs. Jen and Miss Berry, two 4th grade teachers, didn’t want to be outdone by Raskin and Bobbins, so they challenged them to fill in the remaining data below about their 4th grade classes and their students’ ice cream preferences. See if you can fill in all of the missing pieces in the diagrams below. For these students as well, they had to choose one topping, but could not choose both.Andrew is conducting a repeated measures design. He wants to use a technique to control for order effects, however he has 5 different conditions and using all possible orders would be too difficult. What technique to control for order effects should Andrew use? A. Solomon Four-Group Design B. Matched pairs design C. Complete counterbalancing D. Latin SquareIdentify several types of manufacturing companies for which process costing would be an appropriate product-costing system. What characteristics do the products of these companies have that would make process costing a good choice? How is process costing similar and different in a second or later processing department?
- A college president wanted to know how 10-year-after-graduation salaries for academic majors (English, psychology, math, etc.) compared to salaries for career-oriented majors (business, engineering, computer science, etc.). She matched 84 academic majors at her college with 84 career-oriented majors on the basis of SAT scores and GPA. She found MAcademic = $59,250, MCareer =$61,000, sD = 9,500. Check the assumptions 1. Random samples (robust) 2. Independence of observations (not robust) 3. Normality (robust)A college president wanted to know how 10-year-after-graduation salaries for academic majors (English, psychology, math, etc.) compared to salaries for careeroriented majors (business, engineering, computer science, etc.). She matched 84 academic majors at her college with 84 career-oriented majors on the basis of SAT scores and GPA. She found MAcademic = $59,250, MCareer =$61,000, sD = 9,500. Use an alpha of .05 and a two-tailed test to determine if there is a difference in salaries.An industrial/organizational psychologist wants to improve worker productivity for a client firm, but fırst he needs to gain a better understanding of the life of the typical white-collar professional. Fortunately, he has access to the 2008 Workplace Productivity Survey, commissioned by LexisNexis and prepared by WorldOne Research, which surveyed a sample of 650 white-collar professionals (250 legal professionals and 400 other professionals). One of the survey questions was, "During the average workday, how many hours do you spend attending meetings?" For the subsample of legal professionals (n = 250), the mean response was M = 2.0 hours, with a sample standard deviation of s = 5.1 hours. The estimated standard error is SM = 0.323. The psychologist can be 99% confident that the interval from 1.2 to includes the unknown population mean pu.
- A real estate major collected information on some recent local home sales. The first 6 lines of the database appear in the accompanying table. The columns correspond to the house identification number, the community name, the zip code, the number of acres of the property, the year the house was built, the market value, and the size of the living area (in square feet). Do the data appear to have come from a designed survey or experiment? What concerns might you have about drawing conclusions from this data set? E Click the icon to view the data table. Do the data appear to have come from a designed survey or experiment? O A. It is not clear if the data were obtained from an experiment. They are certainly not from a survey. O B. It is not clear if the data were obtained from a survey. They are certainly not from an experiment. O C. It is not clear if the data were obtained from a survey or an experiment. O D. The data were certainly not obtained from survey or an experiment. What…PLEASE HELPWorkers in Company XYZ used 200 computers for their daily operation. In that company, the computers are categorized into type A and B. The workers usually complained that they experience performance problems with the computers more than once per week. Based on a survey, the company found that fifty of the Type A computers will encounter problems more than once per week. Meanwhile seventy-five of the Type B computers do not experience problems more than once per week. There are 120 Type B computers in the company. Based on the above scenario determined whether the events “Type A computer” and “experience problems more than once per week” are independent event? Explain.
- O.J. Juice Company sells bags of oranges and cartonsof orange juice. O.J. grades oranges on a scale of 1 (poor)to 10 (excellent). O.J. now has on hand 100,000 lb of grade9 oranges and 120,000 lb of grade 6 oranges. The averagequality of oranges sold in bags must be at least 7, and theaverage quality of the oranges used to produce orange juicemust be at least 8. Each pound of oranges that is used forjuice yields a revenue of $1.50 and incurs a variable cost(consisting of labor costs, variable overhead costs, inventorycosts, and so on) of $1.05. Each pound of oranges sold inbags yields a revenue of 50¢ and incurs a variable cost of20¢. Formulate an LP to help O.J. maximize profit.my real-life decision that I have taken earlier was to flee from Iraq to Jordan and there i faced a situation that either i go back to Iraq which was dangerous at the time or stay in Jordan or have the right to migrate to the united states. i decided to come to the united states, can this decision be modeled as an AHP problem. Describe the problem statement and answer the following: (i) Select between 4 and 6 attributes. (ii) Generate the pairwise comparison matrix. ( ii) Estimate the weights based on simple computation method posted earlier and select the best option. (iv) Comment on the consistency of the matrix. (v) What you think are the limitations of the AHP method?ply provides the more consistent and 21. How do grocery costs compare across the country? Using a market basket of 10 items in- cluding meat, milk, bread, eggs, coffee, potatoes, cereal, and orange juice, Where to Retire magazine calculated the cost of the market basket in six cities and in six retirement areas across the country (Where to Retire, November/December 2003). The data with market basket cost to the nearest dollar are as follows: City Cost Retirement Area Cost Buffalo, NY Des Moines, IA Hartford, CT Los Angeles, CA Miami, FL Pittsburgh, PA $33 27 32 38 Biloxi-Gulfport, MS Asheville, NC Flagstaff, AZ Hilton Head, SC Fort Myers, FL Santa Fe, NM $29 32 32 34 34 31 36 32 Compute the mean, variance, and standard deviation for the sample of cities and the sample of retirement areas. b. a. What observations can be made based on the two samples?