on 1 of 17Select all of the experimental outcomes that help establish a cause.The treatment is safe and does not exhibit harmful side effects.O Higher doses of the treatment are associated with stronger responses.The placebo treatment produces a response.The association between the treatment and the effect is strong.The treatment creates a significant response when a confounder is present.O The explanation as to why the treatment causes the effect has a scientific basis.DELL

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Answered: Select all of the experimental outcomes…

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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Veterinary services among the Springfeild community would like to create an awareness concerning testing cats for kidney diseases following an article that describes cat's illness testing scenerio as follows : among cats , 2% have kidney diseas. Of test done , 82% can detect the disease when its there, 9.6% of the teat detect the disease when its not there the cat has the disease be D and the cat does not have the disease br D' The test turns positive be P and the test is negative be P' using bayes theorem find probability that cat will have the kidney disease given that the test turns out posi
What is the difference between an observational study and an experiment? Choose the correct answer below. OA. In an experiment, a treatment is applied to part of a population and responses are observed. In an observational study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. OB. In an experiment, a treatment is applied to an entire population and responses are observed. In an observational study, a researcher measures. characteristics of interest of an entire population but does not change existing conditions. OC. In an experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. In an observational study, a treatment is applied to part of a population and responses are observed. OD. In an experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. In an observational study, a…
Independent Samples t-test 3. A behavioral researcher wished to determine whether or not 10 milligrams of Valium would have an effect on the scores of human subjects performing a task of psychomotor coordination. Students were selected from a subject pool and an equal number assigned to Experimental (Valium) and Control conditions. All subjects in the Experimental Group received Valium thirty minutes prior to being tested. The subjects in the Control Condition received a placebo (inert substance) at the same time. Higher scores represent superior psychomotor coordination. Using an alpha of .05, perform an appropriate two-tailed test of the significance of the mean difference. Control = 1 Experimental = 2 Group Score 1 228 1 189 1 146 1 208 2 129 2 147 2 112 2 196 Hypotheses: tobs = tthreshold= df =…
Based on a graph below which of the following statement describes the best types of associations between Factors A, C, and D and the Disease: (choose one best answer) Factor Factor C Disease Factor A O Factor A is sufficient but not necessary, while Factors C and D and neither sufficient not necessary. O Factors A, C and D are neither sufficient nor necessary. O Factor A is necessary but not sufficient, while Factors C and D are necessary but not sufficient. O Factor A is sufficient but not necessary, while Factors C and D are neither sufficient not necessary.
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A baseball team claims that the mean length of its games is 2.4 hours. State H0 and Ha in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. A. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at most 2.4 hours." The null hypothesis is expressed symbolically as, "H0: μ≤2.4." B. The null hypothesis expressed in words is, "the mean length of a baseball team's games is more than 2.4 hours." The null hypothesis is expressed symbolically as, "H0: μ≠2.4." C. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at least 2.4 hours." The null hypothesis is expressed symbolically as, "H0: μ≥2.4." D. The null hypothesis expressed in words is, "the mean length of a baseball…
The contingency table shows the results of a random sample of patients from musculoskeletal injuries treated with acetaminophen or ibuprofen. At a=0.10, can you conclude that the treatment is related to the result? Result acetaminophen Ibuprofen Significant improvement 58 81 Slight improvement 42 19
BREAKFAST AND TEST SCORES 1 of 4 What type of test should this researcher use? Conventional wisdom says that eating a healthy breakfast can improve your health and your weight, but can it also affect your test scores? In order to test this, a school program convinces a group of students to skip breakfast one morning before taking a Basic English test. Eighteen students received breakfast before taking the test, and twenty-one students did not eat breakfast and recorded their performance on the English test. What type of research test should this researcher use? Their results are as follows:
Does caffeine improve exam performance? Suppose all students in the 8:30 section of a course are given a "treatment" (two cups of coffee) and all students in the 9:30 section are not permitted to have any caffeine before a mid-term exam. The response variable in this study is .. two cups of coffee. exam performance. teacher's performance. a O b O d class attendance.
A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those individuals given the drug are examined before receiving the treatment and then again after receiving the treatment to determine if there was a change in their symptom status. If the initial results showed that 2.0% of individuals entered the study in remission, 77.0% of individuals entered the study with mild symptoms, 16.0% of individuals entered the study with moderate symptoms, and 5.0% entered the study with severe symptoms calculate and interpret a chi-squared test to determine if the drug was effective treating psoriasis given the information below from the final examination. A. We reject H0 because 6628.08 is greater than 11.07. We have statistically significant evidence at the alpha equals .05 level to show that the distribution of the severity of psoriasis cases at the end of the clinical trial for the sample is different from the distribution of the severity of psoriasis…

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