Solution :
=
(Lower confidence interval + Upper confidence interval ) / 2
Sample mean =
= (87.06+92.94) / 2=90
confidence interval of the mean is 90
Not yet graded / 10 pts Question 8 A medical researcher treats 400 subjects with high...
A medical researcher treats 400 subjects with high cholesterol with a new drug. After two months of taking the drug, the average decrease in cholesterol level is
1. 8 pts.) The distribution of total body protein in adult men with liver cirrhosis is approximately Normal with mean 9.8 kg and standard deviation 0.1 kg. (a) If you take a random sample of 25 adult men with liver cirrhosis, what is the probability that their average total body protein is between 9.77 and 9.84 kg? (b) What is the total body protein level such that the probability is only 0.15 that the average total body protein for a...
In testing hypotheses, if the consequences of failing to reject a null hypothesis that is actually false are very serious, we should: A. Insist that the level of significance be smaller than the P-value Buse a very small level of significance. C. insist that the P-value be smaller than the level of significance. OD. use a very large level of significance. 1.5 QUESTION 36 A 99% confidence interval for the mean y of a population is computed from a random...
10. The Beck & Watson article is a
Group of answer choices
quantitative study
qualitative study
11. Beck & Watson examined participants' experiences and
perceptions using what type of research design?
Group of answer choices
particpant obersvation
phenomenology
12. Select the participants in the Beck & Watson study
Group of answer choices
Caucasian women with 2-4 children
Caucasian pregnant women
13. In the Beck & Watson study, data was collected via
a(n)
Group of answer choices
internet study
focus group...
14. Select the number of participants in the Beck & Watson
study
Group of answer choices
8
13
22
35
15. Beck & Watson determined their final sample size via
Group of answer choices
coding
saturation
triangulation
ethnography
16.Through their study, Beck & Watson determined
Group of answer choices
after a traumatic birth, subsequent births have no troubling
effects
after a traumatic birth, subsequent births brought fear, terror,
anxiety, and dread
Subsequent Childbirth After a Previous Traumatic Birth Beck, Cheryl...