Question
In: Statistics and Probability
The following data was collected in a clinical trial evaluating a new compound designed to improve...
The following data was collected in a clinical trial evaluating a new compound designed to improve wound healing in trauma patients. The new compound is compared against a placebo. After treatment for 5 days with the new compound or placebo the extent of wound healing is measured and the data are shown below.
|
Percent Wound Healing |
||||
|
Treatment |
0-25% |
26-50% |
51-75% |
76-100% |
|
New Compound (n=125) |
15 |
37 |
32 |
41 |
|
Placebo (n=125) |
36 |
45 |
34 |
10 |
Is there a difference in the extent of wound healing by treatment? (Hint: Are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance.
a. Set up hypotheses and determine level of significance
b. Set up decision rule
c. Compute the test statistic
Solutions
orchestra answered 3 years agoRelated Solutions
The following data was collected in a clinical trial evaluating a new compound designed to improve...
The following data was collected in a clinical trial evaluating
a new compound designed to improve wound healing in trauma
patients. The new compound was compared against a placebo. After
treatment for 5 days with the new compound or placebo, the extent
of wound healing was measured and the data are shown below. (10
points)
Percent Wound Healing
Treatment
0-25%
26-50%
51-75%
76-100%
New Compound (n=125)
15
37
32
41
Placebo (n=125)
36
45
34
10
Is there a difference...
data are collected in a clinical trial evaluating a new compound designed to improve wound healing...
data are collected in a clinical trial evaluating a new compound
designed to improve wound healing in trauma patients. The new
compound is compared against a placebo. After treatment for 5 days
with the new compound or placebo, The extent of wound healing is
measured and the data are shown in Table 7-6. Is there a difference
in the extent of wound healing by Treatment? (Hint: are treatment
and the percent wound healing independent? ) run the appropriate
test at...
1. The following data was collected in a clinical trial evaluating a new compound designed to...
1. The following data was collected in a clinical trial
evaluating a new compound designed to improve wound healing in
trauma patients. The new compound was compared against a placebo.
After treatment for 5 days with the new compound or placebo, the
extent of wound healing was measured and the data are shown
below
Percent Wound Healing
Treatment
0-25%
26-50%
51-75%
76-100%
New Compound (n=125)
15
37
32
41
Placebo (n=125)
36
45
34
10
Is there a difference in...
A clinical trial evaluates a new compound designed to improve wound healing in trauma patients. The...
A clinical trial evaluates a new compound designed to improve
wound healing in trauma patients. The new compound is compared
against a placebo. After treatment for 5 days with the new compound
or placebo, the extent of wound healing is measured. See chart
below: Wound Healing by Treatment
Percent of Wound Healing
Treatment 0-25 26-50 51-75 76-100
New Compound (n=125) 15 37 32 41
Placebo (n=125) 36 45 34 10
Is there a difference in the extent of wound healing...
A clinical trial evaluates a new compound designed to improve wound healing in trauma patients. The...
A clinical trial evaluates a new compound designed to improve
wound healing in trauma patients. The new compound is compared
against a placebo. After treatment for 5 days with the new compound
or placebo, the extent of wound healing is measured and the data
are shown in table 7-51. Is there a difference in the extent of
wound healing by treatment? Run the appropriate test at a 5% level
of significance. (Hint : Are treatment and the percent of wound...
7. The following data were collected in a clinical trial to compare a new drug to...
7. The following data were collected in a clinical trial to
compare a new drug to a placebo for its effectiveness in lowering
total serum cholesterol. New Drug (n=75) Placebo (n=75) Total
Sample (n=150) Mean (SD) Total Serum Cholesterol 182.0 (24.5) 206.3
(21.8) 194.15 (23.2) % Patients with Total Cholesterol < 200
78.0% 65.0% 71.5% a) Generate the 95% confidence interval for the
difference in mean total cholesterol levels between treatments b)
Generate a 95% confidence interval for the difference...
1. The data in Table 7–6 were collected in a clinical trial to evaluate a new...
1. The data in Table 7–6 were collected in a clinical trial to
evaluate a new compound designed to improve wound healing in trauma
patients. The new compound was compared against a placebo. After
treatment for 5 days with
the new compound or placebo, the extent of wound healing was
measured. Is there a difference in the extent of wound healing
between the treatments? (Hint: Are treatment and the percent wound
healing independent?) Run the appropriate test at a 5%...
A clinical trial was conducted using a new method designed to increase the probability of conceiving...
A clinical trial was conducted using a new method designed to
increase the probability of conceiving a girl. As of this writing,
962 babies were born to parents using the new method, and 863 of
them were girls. Use a 0.01 significance level to test the claim
that the new method is effective in increasing the likelihood that
a baby will be a girl. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, conclusion about the null
hypothesis, and final...
6. A clinical trial was conducted using a new method designed to increase the probability of...
6. A clinical trial was conducted using a new method designed to
increase the probability of conceiving a girl. As of this writing,
961 babies were born to parents using the new method, and 898 of
them were girls. Use a 0.01 significance level to test the claim
that the new method is effective in increasing the likelihood that
a baby will be a girl. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, conclusion about the null
hypothesis, and...
A clinical trial was conducted using a new method designed to increase the probability of conceiving...
A clinical trial was conducted using a new method designed to
increase the probability of conceiving a girl. As of this writing,
935 babies were born to parents using the new method, and 895 of
them were girls. Use a 0.05 significance level to test the claim
that the new method is effective in increasing the likelihood that
a baby will be a girl. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, conclusion about the null
hypothesis, and final...
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