A clinical trial tested 320 subjects for a medical condition using an experimental diagnostic procedure. Of these subject 175 were known to have the condition in question and the remainder did not have the condition. A total of 45 subjects known to have the conditions tested negative when the experimental procedure was used. In addition 10 of the subjects known to not have the condition tested positive when the experimental procedure was used. Based on this information the sensitivity of the experimental procedure is____? and the specificity is _____?

Q: A researcher wants to know if music affects mood. It tests a sample of 4 randomly selected adults…

A: μd = Mean difference between After and Before

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A:

Q: the conclusion is either reject the null, or fail to reject the null . the p-value is .0228, .9974,…

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A:

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Q: 1622.17 SS2 = 598.8 %3D een = 2106.92 What are the hypotheses for this test? What is the critical…

A:

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Q: Twelve goats were fed an diet A and fifteæn an diet B. Gain in weight of each goat after a month is…

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Q: Match each of the following research questions to the types of tests listed below.  Enter the letter…

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A: Solution-: Given: We find,

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A: n1 = 52  n2 = 76

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A:

Q: Dr. Cudaback examined the number of copies of the amyloid beta gene in five aged APOE 4 mice. What…

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Q: the vividness of dreams they all had perienced during REM sleep (they were awakened during REM…

A: We have to determine which one of the statement is correct for this hypothesis.

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Q: A researcher is interested in differences among blondes, brunettes, and redheads in terms of…

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Q: A disgruntled employee of a prominent delivery company in Baltimore County is accused of adding…

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A:

Q: A random sample of n₁ = 10 regions in New England gave the following violent crime rates (per…

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Q: Dr. Lunesta is studying the effects of sleep deprivation on a memory recall task. He hypothesizes…

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Q: Under what circumstances is the p-value reported by the test command in Stata valid? Select all…

A: Correct answer: When MLR.1-MLR.6 are true and N is large.

Q: Before the semester began, Professor Keithley predicted that 15% of his philosophy students would…

A:

Q: A group conducted a randomized experiment to see if hormone therapy was helpful for post-menopausal…

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Q: In a large clinical trial, 390,341 children were randomly assigned to two groups. The treatment…

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Q: In the research design for a (an) _____, each participant experiences all experimental conditions so…

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Q: The new study also carried out a test to determine whether the population proportion of unvaccinated…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.