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Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical significance, how do you use these three levels in relationship to evaluate risk to patients in implementing the decisions based on research findings?
Medical studies have shown that 10 out of 100 adults have heart disease. When a person with heart disease is given an EKG test, a 0.9 probability exists that the test will indicate the presence of heart disease.
The objective is to maximize the expected net return. Define the optimal value function and give the optimality equation. Find the optimal policy.
a contractor is considering a sale that promises a profit of 20000 with a probability of 0.7 or loss of 7000 with a
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
A retail federation conducted a nationwide survey of 1000 adults last October and found that approximately 55% of the respondents planned to do some type of Halloween decorating.
q1. a chi-square test for independence with 8 degrees of freedom results in a test statistic of 18.21. usingthe
what terms describe the fit of a regression equation to the data? what is the importance of the coefficient of
Calculate the mean, median and mode for both sets and do graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.
q1. consider the following stem and leaf plotstemnbspnbspnbspnbspnbspnbsp leaf1 nbsp nbsp nbsp nbsp 0 2 5 72 nbsp nbsp
The distance (in miles) are as follows:32,18,44,29,25,38,14,21,and 12. Estimate the mean commute distance of all employees of the company.
Calculate a 95% confidence interval on the average weight of packaged mustard seed. Explain very carefully to the packaging workers what the 95% confidence interval numbers mean. Include your Excel output. Is there anything you would want to note ..
Calculate the measures of central tendency, dispersion, skew for your data. Display your descriptive statistical data using graphic and tabular techniques. Frequency distribution, Histogram.
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