Mathematics, 02.10.2019 05:30 missmontgomery21

Aresearcher compares the effectiveness of two different instructional methods for teaching anatomy. a sample of 175 students using method 1 produces a testing average of 89.6. a sample of 177 students using method 2 produces a testing average of 68.8. assume the standard deviation is known to be 17.56 for method 1 and 5.07 for method 2. determine the 98% confidence interval for the true difference between testing averages for students using method 1 and students using method 2.

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Aresearcher compares the effectiveness of two different instructional methods for teaching anatomy....