15)___________ A study was conducted to test the effectiveness of aspirin on reducing
15)___________ A study was conducted to test the effectiveness of aspirin on reducing
fatal heart attacks. Two different groups were used in the study. The
16)____________ control group (n = 20) received placebos and the experimental group
(n = 20) received the aspirin. After four years, 10 of the control group
17____________ and 4 of the experimental group participants died of fatal heart attacks.
Use a significance level of .01 and test to see if there was a significant
reduction in the number of fatal heart attacks in the experimental group.
List the 15) test statistic 16) P-value 17) whether to reject or accept Ho.
Homework Answers
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15)___________ A study was conducted to
test the effectiveness of aspirin on reducing
A study was conducted to test the effectiveness of aspirin on reducing fatal heart attacks. Two...
A study was conducted to test the effectiveness of aspirin on reducing fatal heart attacks. Two different groups were used in the study. The control group (n = 20) received placebos and the experimental group (n = 20) received the aspirin. After four years, 10 of the control group and 4 of the experimental group participants died of fatal heart attacks. Use a significance level of .01 and test to see if there was a significant reduction in the number of...
A study was conducted to test the effectiveness of an asthma drug and the results were...
A study was conducted to test the effectiveness of an asthma drug and the results were published in an academic journal. Which one of the following is a sign of a badly conducted study? A. The study indicates whether the research was done on cells, animals or humans. B. The study indicates the approximate dose of drugs given to the test subjects. C. The study indicates if there was an untreated control group. D. A diverse group of individuals participated...
A study occurred to test whether taking aspirin can reduce the chance of having a heart...
A study occurred to test whether taking aspirin can reduce the chance of having a heart attack. Over 20000 male medical doctors aged 40 through 84 were given a 325 mg tablet every other day. Just over half of the doctors (11037) were given aspirin tablets; the rest (11034) were given placebos. There were 104 heart attacks in the aspirin group and 189 in the placebo group. Analyze!!!! (By which I mean perform a relevant hypothesis test and/or construct an...
2. A study was conducted to test the effect of a new drug (Clofibrate) on reducing...
2. A study was conducted to test the effect of a new drug (Clofibrate) on reducing the coronary death compared to placebo. Patients were randomized into two groups at 1:2 ratio. Of 1065 subjects in the treatment group, 194 died at 5 years, whereas 523 of 2695 subjects in the placebo group died at 5 years. Answer these questions: a) what is the study design? b) generate a 2 by 2 table, c) calculate the crude mortality rates for both...
The National Institute of Health conducted a study to test male birth control pills by using...
The National Institute of Health conducted a study to test male birth control pills by using two groups of mice as the study participants. Group A received a drug called Nokids which cost $20,000 and Group B received a drug called Noparents which cost $5,000. The administrative cost to administer each drug is $500 a day. Group A received the drug for 10 days and Group B received the drug for 14 days. What is the incremental cost of Nokids?...
Please include: Null and alternative hypotheses critical t or z standardized test statistic decision about the...
Please include:
Null and alternative hypotheses
critical t or z
standardized test statistic
decision about the null
In a trial designed to test the effectiveness of aspirin in preventing heart disease, 11,037 male physicians were treated with aspirin and 11,034 male physicians were given placebos. Among the subjects in the aspirin treatment group, 139 experienced myocardial infarctions (heart attacks). Among the subjects given placebos, 239 experienced myocardial infarctions (based on data from “Final Report on the Aspirin Component of the...
Question number 15 Researchers conducted a study to measure the effectiveness of the drug Adderall on...
Question number 15 Researchers conducted a study to measure the effectiveness of the drug Adderall on patients diagnosed with ADHD. A total of 112 patients with ADHD were randomly split into two groups. Group 1 included 57 patients and they were each given a dose of 15 mg. of Adderall daily. Group 2 was given a daily placebo. The effectiveness of the drug was measured by testing the patients before and after and observing the mean improvement in score among...
A medical research team conducted a study to test the effect of a cholesterol reducing medication....
A medical research team conducted a study to test the effect
of a cholesterol reducing medication. At the end of the study, the
researchers found that of those 4700 randomly selected who took the
medication, 301 died of heart disease. 4300 randomly selected
subjects who took a placebo, 357 died of heart disease
10) The calculated value of the test statistic equals: a) 3.46 b) -3.46 c)-2.76 d) 2.76 e) 1.31 f) -1.31 h) .46 i) -46 j) None of...
Question 7 10 Points The National Institute of Health conducted a study to test male birth...
Question 7 10 Points The National Institute of Health conducted a study to test male birth control pills by using two groups of mice as the study participants. Group A received a drug called Nokids which cost $20,000 and Group B received a drug called Noparents which cost $5,000. The administrative cost to administer each drug is $500 a day. Group A received the drug for 10 days and Group B received the drug for 14 days. What is the...
A research study is conducted where 15 participants complete a 12-week control period followed by a...
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
2. A study was conducted to test the effect of a new drug (Clofibrate) on reducing the coronary death compared to placebo. Patients were randomized into two groups at 1:2 ratio. Of 1065 subjects in the treatment group, 194 died at 5 years, whereas 523 of 2695 subjects in the placebo group died at 5 years. Answer these questions: a) what is the study design? b) generate a 2 by 2 table, c) calculate the crude mortality rates for both...
Please include:
Null and alternative hypotheses
critical t or z
standardized test statistic
decision about the null
In a trial designed to test the effectiveness of aspirin in preventing heart disease, 11,037 male physicians were treated with aspirin and 11,034 male physicians were given placebos. Among the subjects in the aspirin treatment group, 139 experienced myocardial infarctions (heart attacks). Among the subjects given placebos, 239 experienced myocardial infarctions (based on data from “Final Report on the Aspirin Component of the...
Question number 15 Researchers conducted a study to measure the effectiveness of the drug Adderall on patients diagnosed with ADHD. A total of 112 patients with ADHD were randomly split into two groups. Group 1 included 57 patients and they were each given a dose of 15 mg. of Adderall daily. Group 2 was given a daily placebo. The effectiveness of the drug was measured by testing the patients before and after and observing the mean improvement in score among...
A medical research team conducted a study to test the effect
of a cholesterol reducing medication. At the end of the study, the
researchers found that of those 4700 randomly selected who took the
medication, 301 died of heart disease. 4300 randomly selected
subjects who took a placebo, 357 died of heart disease
10) The calculated value of the test statistic equals: a) 3.46 b) -3.46 c)-2.76 d) 2.76 e) 1.31 f) -1.31 h) .46 i) -46 j) None of...
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
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