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Prepare a 700- to 1,050-word paper in which you interpret the statistical significance of a study.
• Select a study in a field of interest; this does not need to be directly related to health care.
o What statistical procedures are mentioned in the study?o What conclusions did the study reach? Are the conclusions appropriate? Why or why not?o Are the findings statistically significant? Why or why not? Describe the process you used to make this determination and provide the level of significance.
Find the t c for a 90% confidence level with a sample size of 18.
The athletic director claims that the atendance is the same as last year. What is the test value needed to evaluate the claim?
Wall Street securities firms paid out record year-end bonuses of $145,500 per employee for 2005 (Fortune, February 6, 2006). Suppose we would like to take a sample of employees at the Jones & Ryan securities firm to see whether the mean year-end b..
Compute cumulative probabilities for these numbers in second column. Then create a histogram illustrating data distribution. Using generated Normal probability table, determine probability of Pr(X
Does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket?
Reccomend asprin for their patients with children Conduct a hypothesis test using the P-Value method. What conclusions would you make when a=o.2 and a=0.02.
The inventory value is estimated by the sum of book values of population and N-D, where N is population size at top ,D at bottom. show that the estimate is unbiased. Find an expression for the variance of the estimate.
When we say we have a confidence level of 95%, what do you think our "margin of error" is? If we move the level of confidence from 95 to 99%, what will happen to our margin of error? What will happen to the width of our confidence interval?
Suppose that past data are not available for developing a planning value for p; therefore, you will use p = 0.050 for the planning average.
Explain the independent variable, covariate, and levels (groups) of eah. Also, explain the dependent variable and its associated measurement scale and expected outcome.
The manufacturer of Feel Better aspirin advertises that 60% of pediatricians recommend Feel Better for children under twelve. Safe and Sound, a rival manufacturer
Over the 48 years from 1950 through 1997, the stock market has gone up in the month of January for 31 times; it has gone up for the whole year for 36 times, and it has gone up both for the year and in January for 29 times.
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