Question
In: Statistics and Probability
Researchers are testing the effectiveness of a new smoking cessation program. At the close of the...
Researchers are testing the effectiveness of a new smoking cessation program. At the close of the program the mean number of cigarettes smoked for the 328 people who completed the program was 4.3 with a standard deviation of 5.22. The mean number of cigarettes smoked per day for the 298 people who did not complete the program was 13 with a standard deviation of 8.97. Is there a difference between the two means? Use a 5% level of significance to answer the question. Assume equal variances. Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. Must show your work
Solutions
orchestra answered 2 years agoRelated Solutions
A group of researchers wants to evaluate the impact of a smoking cessation intervention on 50...
A group of researchers wants to evaluate the impact of a smoking
cessation intervention on 50 cardiac patients at the outpatient
clinic at a hospital, and compare that to another 50 cardiac
patients from another hospital who did not receive the smoking
cessation intervention. Explain you answer please.
Write one research hypothesis, and one null.
A group of researchers wants to evaluate the impact of a smoking cessation intervention on 50...
A group of researchers wants to evaluate the impact of a smoking
cessation intervention on 50 cardiac patients at the outpatient
clinic at a hospital, and compare that to another 50 cardiac
patients from another hospital who did not receive the smoking
cessation intervention.
Question: Identify the sampling techniques and justify your
choice. Regarding the statement above.
Question 1 Researchers are interested in testing the effectiveness of a new immunosuppressive therapy to be...
Question 1
Researchers are interested in testing the effectiveness of a new
immunosuppressive therapy to be used post-transplant to reduce
graft failure in the host. Suppose researchers investigating this
new therapy are concerned about the dangerous side-effects of the
drug. For instance, participants that would like to enroll in the
study are not allowed to already have diabetes, as the
immunosuppressive agent has been found to drastically increase
fasting glucose levels, which could be very dangerous for
diabetics. This means,...
Researchers are interested in testing the effectiveness of their new therapy technique (Explosive Therapy) by comparing...
Researchers are interested in testing the effectiveness of their
new therapy technique (Explosive Therapy) by comparing it to a
standard therapy technique (Cognitive Redecorating), a
controversial newer treatment (Ludovico) and a no-treatment (wait
list) control. Twelve clients are randomly assigned to the three
groups. Blind raters evaluate the “mental health” using a validated
instrument yielding scores from 0 to 10, where 0 indicates very
poor mental health and 10 represents very good mental health.
Perform an ANOVA on these data....
2. Researchers are interested in testing the effectiveness of their new therapy technique (Explosive Therapy) by...
2. Researchers are interested in testing the effectiveness of
their new therapy technique (Explosive
Therapy) by comparing it to a standard therapy technique (Cognitive
Redecorating), a controversial newer
treatment (Ludovico) and a no-treatment (wait list) control. Twelve
clients are randomly assigned to the
three groups. Blind raters evaluate the “mental health” using a
validated instrument yielding scores from 0
to 10, where 0 indicates very poor mental health and 10 represents
very good mental health. Perform an
ANOVA on these...
Case Study: The community health nurse is preparing a smoking cessation program to be presented at...
Case Study: The community health nurse is preparing a smoking
cessation program to be presented at the local high school for
individuals who are thinking about quitting smoking. The community
health nurse is identifying appropriate education activities that
include the three domains of learning and the three stages of
change
1. The community health nurse has to consider the three stages
of change in considering individual reasons to stop smoking. What
are the three stages of change?
2. Planned or...
What is the role of Pharmacist in smoking cessation and obesity?
What is the
role of Pharmacist in
smoking cessation and
obesity?
Private and social benefits of for Smoking Prevention and Cessation
Private and social benefits of for Smoking Prevention and
Cessation
Researchers want to test the effectiveness of a new anti-anxiety medication. In clinical testing, 64 out...
Researchers want to test the effectiveness of a new anti-anxiety
medication. In clinical testing, 64 out of 200 people taking
medication report symptoms of anxiety.
Of the people receiving a placebo, 92 out of 200 report symptoms
of anxiety. Is the medication working any differently than the
placebo? Test this claim using alpha = 0.05
Perform all steps of Hypothesis testing, including P-Value
reaffirmation test.
ou are interested in testing the effectiveness of a new program designed to teach reading skills...
ou are interested in testing the effectiveness of a new program
designed to teach reading skills to elementary school students,
describe how you would use a experimental design design to test the
effectiveness of the program. Which type experimental design would
you deploy? What type of conclusion can be drawn from the
experiment?
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