Statistics

posted by .

The effectiveness of a headache medicine is tested by measuring the intensity of a headache in patients before and after drug treatment. The data consist of before and after intensities for each patient.
Identify the design of the study.

A) Paired t-test
B) Two-sample t-test
C) one sample t-test of a mean
D) one sample z-test of a proportion

B?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. How does this sound?

    Write a 350- to 700-word paper in APA format describing two approaches or indicators to measuring patient outcomes. Measuring the quality of care is essential to being able to identify which areas of patient care need improvement. …
  2. English

    1. He had a slight headache. 2. He had a light headache. 3. He had a little headache. 4. He had a bad headache. 5. He had a severe headache. 6. He had a terrible headache. 7. He had the flu. 8. He had a flu. 9. He had flu. (Which ones …
  3. grammar

    Select the sentence that does NOT have an agreement error. a. Patient has had no loss of consciousness, has no headache, and there is no pain in neck. b. Patient has had no loss of consciousness, has no headache, and has no pain in …
  4. statistics

    In a clinical trial of the drug Viagra, 117 patients reported headaches and 617 did not. What is the probability that a patient taking the drug will NOT experience headache symptoms?
  5. Statistics

    A pharmaceutical company claims its new medication relieves painful symptoms caused by tension headaches within 15 minutes. To investigate this claim, a local health clinic conducts a study of 45 patients who suffer from chronic tension …
  6. statistics

    A group of scientists is studying whether a new medical treatment has an adverse (bad) effect on lung function. Here are data on a simple random sample of 10 patients taken from a large population of patients in the study. Both variables …
  7. Statistics in Psychology

    Please Help! For the following, which type of t-test is required?
  8. Science

    I need to know what type(s) of research method this study used. In the study, participants were asked questions before and after receiving a treatment. The catch is that this study had no control group, so the results were gathered …
  9. Health

    Nausea, vomiting, or headache after taking a drug may be due to A . Dependency B . Addiction C . Side effects D . Tolerance •• ________ occurs when a person intentionally uses a drug improperly. A. A side effect •• B. Drug …
  10. grammar

    Multiple Choice. Select the sentence that does NOT have an agreement error. 1. *Patient has had no loss of consciousness, has no headache, and there is no pain in neck. *Patient has had no loss of consciousness, has no headache, and …

More Similar Questions