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Q1) Probability histogran curve of percentage of (P)z<2.83 is:
a) .99.77%
b) 99%
c) 0.23%
d) 50%
Q2) Recognize the statement below that is not true
a) Standard deviation is an absolute value
b) Standard deviation can be negative
c) In some instances, standard deviation can be 0
d) Standard deviation is the amount of deviation away from the mean
Q3) A team of advanced practice nurses who administer patients with Fibromyalgia(FM) were able to disprove original data claiming that 55% of adults with Fm don't get the suitable treatment advice from their specialists. After doing a three year study among 1000 patients, the nurses were able to refuse null hypothesis and indeed illustrate that not 55% ,but only 205 of adults with Fm instead believed they were not getting the appropriate treatment from their specialists.20% of 1000 patients equals the sample mean of 200 patients .At a σ =6 patients , next step is for nurses to display confidence with results. As such, suitable 95% confidence interval t-test would be:
a) 195<µ <212
b) 199.686<µ <200.314
c) 190.686<µ <210.5
d) 190.1 <µ <211.1
It has been claimed that women live longer than men; however, men tend to be older than their wives. Ages of sixteen husbands and wives from England were obtained. The null hypothesis of equality of means is rejected. What conclusion can be made f..
CASE STUDY: Are the Fish Safe to Eat? Assessing which Factors affect Mercury Levels in Fish in Maine Lakes.
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Could mud-wrestling be the cause of a rash contracted by University of Washington students in the spring of 1992? Two physicians at the University of Washington health center wondered this when one male and six female students complained of rashes..
I have computed an analysis of variance for three groups with 10 observations per group. Evaluate the degrees of freedom for the F test
The weight of the first orange minus the weight of the second orange) is a random variable with standard deviation and individual outcomes are uncertain but happen in a predictable manner through time.
Given the following data on hotel check-ins for a 6-month period:
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
Which of the following assumptions for inference about a proportion using a confidence interval are violated,
Recognize independent variable and dependent variable for this experiment. Think in your head what influences what? Or, what causes what? Cause is independent variable.
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