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Mathematics, 23.10.2019 22:00 teamzomaxx6584
Aresearcher compares the effectiveness of two different instructional methods for teaching anatomy. a sample of 66 students using method 1 produces a testing average of 54.9. a sample of 110 students using method 2 produces a testing average of 85.9. assume that the population standard deviation for method 1 is 6.04, while the population standard deviation for method 2 is 16.44. determine the 99% confidence interval for the true difference between testing averages for students using method 1 and students using method 2. step 1 of 3 : find the point estimate for the true difference between the population means.
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