in the study from the previous question, x=59 adults have been confirmed hypertensive out of n=200...
in the study from the previous question, x=59 adults have been confirmed hypertensive out of n=200 participants. Assuming the standard normal distribution can be applied and p=0.313 under the null hypothesis, what is the Z-statistic for x=59? Recall that the expected value = np and standard deviation = Squareroot np(1-p).
a. -0.55
b. 2.26
c. -1.96
d. 1.0
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in the study from the previous question, x=59 adults have been
confirmed hypertensive out of n=200...
In the study from the previous question, x=59 adults have been confirmed hypertensive out of n=200...
In the study from the previous question, x=59 adults
have been confirmed hypertensive out of n=200 participants.
Assuming the standard normal distribution can be applied and
p=0.313 under the null hypothesis, what is the Z-statistic for
x=59? Recall that the expected value = np and the standard
deviation =
.
= -0.55
Continuing from the previous question, if we observed 78
hypertensive adults in the 2nd random sample of 200, what is the
one-sided p-value associated with x=78, given the...
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In the study from the previous question, x=59 adults
have been confirmed hypertensive out of n=200 participants.
Assuming the standard normal distribution can be applied and
p=0.313 under the null hypothesis, what is the Z-statistic for
x=59? Recall that the expected value = np and the standard
deviation =
.
= -0.55
Continuing from the previous question, if we observed 78
hypertensive adults in the 2nd random sample of 200, what is the
one-sided p-value associated with x=78, given the...
Based on information from a previous study, r = 34 people out of a random sample of n = 101 adult Americans who did not attend college believe in extraterrestrials. However, out of a random sample of n2 = 101 adult Americans who did attend college, '2 = 47 claim that they believe in extraterrestrials. Does this indicate that the proportion of people who attended college and who believe in extraterrestrials is higher than the proportion who did not attend...
6. A two-tailed hypothesis test for a repeated-measures research design Previous studies have shown that playing video games can increase visual perception abilities on tasks presented in the gaming zone of the screen (within 5 degrees of the center). A graduate student is interested in whether playing video games increases peripheral visual perception abilities or decreases attention to peripheral regions because of focus on the gaming zone. For his study, he selects a random sample of 81 adults. The subjects...
A study was carried out to assess the effect of a new
medication in reducing blood pressure. In the trial, 59 subjects
were enrolled, of which 30 were randomly allocated to receive a new
treatment, while 29 received a control medication. After 20 weeks
in the study, each subject's blood pressure, , was
measured, leading to the following summary statistics:
9.63,
9.79,
1.41. With
and
representing the mean blood pressures in the treatment and control
groups respectively, it is desired...
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Please answer all parts
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