A chain of home health care firms in Lousiana needs to locate a central office from which to conduct intemal audits and other periodic reviews of its facilties. These tacilines are scatered throughout the state, as detailein the following table. Each site, except for Houma, wil be visited three times each year by a team of workers, who will drive from the central offce to the site. Houma will be visited five times a yearMap CoordinatesCityCovngtonDonaldsonvite923.52.87.1Houma7814Monroe508.1Natchitoches3.06.5New Iberia5.72.13.9OpelousasRuston504.0For the location of the new oentral office, the coordinates should be near(round your response to two decimal places)

Answered: Image /qna-images/answer/65983ec0-69e4-4f49-82ce-0445b27ae2a5.jpg

Answered: A chain of home health care firms in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A social worker in South Phoenix delivered an intervention on financial literacy. The program is six weeks long (one hour per week). She collected pre and post- test surveys in order to determine if participants’ knowledge on financial literacy increased due their involvement in the program. Review the table below and answer the following questions. Table 1. Financial literacy intervention change from pre to post test M SD t p Financial Literacy Knowledge 5.04 .001 Pre test 7.25 1.78 Post test 8.42 1.20 1. Was a dependent or independent t-test used to analyze the data? How do you know?
A project was conducted with the objective of improving the wait time in a local hospital. The evaluation plan included waiting room time as one key waiting time process measure. Waiting room time was defined as the time elapsed between requesting that the patient be seated in the waiting room and the time he or she was called to be placed in an exam room. Initially, the target was set of 25 minutes. After implementing an improvement framework and process, the quality improvement team collected data on a sample of 355 patients. In this sample, the mean wait time was 23.05 minutes, with a standard deviation of 16.83 minutes. If you test the null hypothesis at the 0.01 level of significance, Is there evidence that the population mean wait time is less than 25 minutes?
Vitamin E and the Risk of Prostate Cancer: Klien et al (2011) conducted the following study to determine the effect of vitamin E and selenium treatment on the risk of developing prostate cancer in healthy men. A total of 34,887 men from different study sites in the United States, Canada, and Puerto Rico were randomly selected. To be eligible to participate, the men had to take a rectal examination that showed he was not suspicious of having prostate cancer and be aged 50 years or older for black men and 55 years or older for all others. Each man was randomly assigned to receive one of four treatments: selenium, vitamin E, selenium and vitamin E together, or a placebo. The men were followed up after 8 years to see if they had developed prostate cancer or not. The main question of interest is to determine if the risk of developing prostate cancer differs by the treatment taken. The data are summarized in the table below: No Prostate Cancer Prostate Cancer Total Selenium 8,752 8,737 8,702…
The following pollution levels were found in water samples:1.4,1.7,1.8,1.9,2.2,2.2,2.3,2.4,2.6,2.6,2.7,2.8,2.9,3. 0,3.0,3.0,3.1,3.2,3.3,3.4,3.4,3.5,3.6,3.7,3.8 prepare an ordered stem and leaf plot for the data. Briefly describe the distribution of the data.
c. Five-Number Summary d. Distribution characteristics (positively or negatively skewed)
Answer the following question.
The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence ad the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point?
You may need to use the appropriate appendix table or technology to answer this question. Sparr Investments, Inc., specializes in tax-deferred investment opportunities for its clients. Recently Sparr offered a payroll deduction investment program for the employees of a particular company. Sparr estimates that the employees are currently averaging $100 or less per month in tax-deferred investments. A sample of 39 employees will be used to test Sparr's hypothesis about the current level of investment activity among the population of employees. Assume the employee monthly tax-deferred investment amounts have a population standard deviation of $75 and that a 0.05 level of significance will be used in the hypothesis test. (a) What is the type II error in this situation? O Reject Sparr Investments' claim that the employees are currently averaging $100 or less per month in tax-deferred investments when it is true. O Reject Sparr Investments' claim that the employees are currently averaging…
An agent for a residential real estate company in a large city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward that goal, the agent would like to use the size of an apartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of 25 apartments in a particular residential neighborhood and collects the following data: Size (square feet) Rent ($) 850 1950 1450 2600 1085 2200 1232 2500 718 1950 1485 2700 1136 2650 726 1935 700 1875 956 2150 1100 2400 1285 2650 1985 3300 1369 2800 1175 2400 1225 2450 1245 2100 1259 2700 1150 2200 896 2150 1361 2600 1040 2650 755 2200 1000 1800 1200 2750 (a) Determine the coefficient of determination, r2, and interpret its meaning. (b) Determine the standard error of the estimate (Syx).…
1. Carefully analyze Tables 2, 3, 4 & 5, and answer the following question. In this study, one exposed group is people who are in the 15-24 age group and had the recent stressor of mental illness. What is the unexposed group for this example? 2. In terms of suicide risk, which stressors affect the elderly (65+) more than other age groups?
The following data was accessed January 6, 2022: Country Total Deaths Total Cases Population 5,484,942 298,766,667 7,918,490,000 853,612 482,876 619,559 149,515 World USA 58,805,186 35,109,286 1,400,494,834 22,351,104 14,015,065 333,934,783 India 214,841,765 68,424,733 Brazil UK Calculate the correct numbers using the world data above to insert in the sentences below. COVID has altered our world. But how many people have really died in the world? (media form here) Select an answer people! That's a really big number, but how can we understand that number? One way is to talk about the case fatality rate, that's the chance that a person who gets COVID will die. Based on the table, that is % of people who get COVID will die. That is in every 100 people or in every 1000 people. Another valuable number to consider is what percent of our total population have died? 36. That means 1 in every people have died. Submit Question
The more costly and time-consuming it is to export and import, the more difficult it is for local companies to be competitive and to reach international markets. As part of an initial investigation exploring foreign market entry, 9 countries were selected from each of four global regions. The cost associated with importing a standardized cargo of goods by sea transport in these countries (in US$ per container) is stored in the accompanying data table. Complete parts (a) through (d). East Asia & Pacific Eastern Europe & Central Asia Latin America & Caribbean Middle East & North Africa240 77 1200 466777 335 688 397266 396 970 554383 83 290 644580 150 545 181220 306 420 646389 1125 450 695233 655 583 754392 100 1500 779 c. At the 0.05 level of significance, is there evidence of a difference in the variation in cost of importing among the four global regions? Determine…

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