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Mathematics, 01.04.2020 16:27 Sk8terkaylee
Write a function called empirical_sample_mean_sd that takes a sample size n as its argument. the function should simulate 500 samples with replacemnt of size n from the flight delays dataset, and it should return the standard deviation of the means of those 500 samples. hint: this function will be similar to the sample_size_n function you wrote earlier.
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Mathematics, 22.06.2019 00:30, tremainecrump1466
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
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Write a function called empirical_sample_mean_sd that takes a sample size n as its argument. the fun...
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