A research team used a latin square design to test three drugs A, B, C for their effect in alleviating the symptoms of a chronic disease. Three patients are available for a trial and each will be available for three weeks. The data for drug effects are given in the parentheses. Please make an ANOVA table including source of variation, sum of squares, degree of freedom, mean square, F-ratio and p-values.
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A research team used a latin square design to test three drugs A, B, C for their effect in alleviating the symptoms of a chronic disease. Three patients are available for a trial and each will be available for three weeks. The data for drug effects are given in the parentheses. Please make an ANOVA table including source of variation, sum of squares, degree of freedom, mean square, F-ratio and p-values.
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- Based on the given data in the yellowpad, using the computed values for population and sample mean and variance, create a problem and question similar to the sample activity. Provide the answers and solution too. note : - make it like a situational problem like the sample activityExplain about the DATA. About the IVF. About the multicollinearity. Please ASAPWe want to know if selenium levels are diffenrt among the 4 meat groups. Use signifcance level 0.01. a.) What is sum of squares tratment equal to ? What is degrees if freedom for treatment? and Error? b.)What is the mean square treatment equal to? what is the mean square error equal to?
- For each scenario, indicate whether the parameter of interest is one proportion , a difference in two proportions , one mean (μ), a difference in means from separate samples , or the mean difference from matched pairs data, . Each answer can be selected once, more than once, or not at all. A tire manufacturer tested the braking performance of one of its tire models on a test track, interested in how tires perform under both wet and dry pavement conditions. The company tried the tires on 18 different car models, recording the stopping distance for half of them on wet pavement and the other half of dry pavement. Student Computing Services surveys a random sample of students to compare the percent of students that have PCs to the percent of students that have Macs. Married couples are asked about the number of hours of sleep they get each night. We want to see if husbands get more sleep than their wives. 36 of 75 patients receiving a treatment experienced pain relief, while only…2. Report the statistical results for a three sets of data in APA style.a. An investigator decided to conduct a research to describe the average number of females in each family. Considering the case of families in the town. Describe what may contribute to the difference between the value of the sample statistics and its corresponding population parameter.b. How would the investigator control the above-mentioned phenomenon? PLEASE ANSWER THE b part only if possible
- After reading an article using research done by the Organization for Economic Co-operation and Development (OECD) based in France, a statistics student decided to conduct his own study to see if the figures in the article were accurate. This article stated that 37% of email users said spam has increased in their personal email accounts and 29% said it has increased in their work email accounts. To test the first figure, let p be the proportion of email users who feel that spam has increased in their personal email. The first set of hypotheses that the student wants to test is then: Ho: p = 0.37 Ha: p ≠ 0.37 Based upon the data collected by this student, a 95% confidence interval for p was found to be: (0.25, 0.32). At the 0.05 level of significance, which conclusion can be made? a. The student cannot reject Ho, since 0.37 does not fall within the limits of the interval. b. The student can reject Ho, since 0.37 falls within the limits of the interval.…A biomedical manufacturing process has only a 12.5% chance of producing a commercially successful result. The mean number of processes to be performed before a commercially successful one isEach year, marketing and information firm J.D. Power and Associates surveys new car owners 90 days after they have purchased their cars. The data collected are used to rate auto brands (Toyota, Ford, and others) on initial quality and initial customer satisfaction. USA Today reported both the number of manufacturing defects per 100 vehicles and a satisfaction score for all 33 brands sold in the United States.† A research group decides to compare the mean number of defects for 2 specific models of cars, A and B, made this year by taking random samples of 100 cars of each model. (a) After collecting the data, the research group calculates a 95% confidence interval to estimate the difference in population means. In this case, what is the population? all cars for models A and B that were produced this yearthe defects all cars made this yearthe 100 cars from each model (b) Suppose the calculated confidence interval is (84, 92) number of defects. What is the value of the point…
- An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair for each of the four crashes were 404,414,459, and 203. Compute the mean, median, and mode cost of despairAn analysis was conducted by the Statistics Consulting Center atVirginia Polytechnic Institute and State University in which acertain treatment was applied to a set of tree stumps. The chemicalGarlon was used the with the purpose of regenerating the roots ofthe stumps. A spray was used with four levels of GarlonPage 23 of 23concentration. After a period of time the height of the shoots wasobserved. Does the concentration of Garlon has a significantimpact on the height of the shoots? Use α = 0.05.Explain why two samples from the same population could differ. Why do we say that two samples test have a built in point of reference?