Question
In: Statistics and Probability
A researcher compares the effectiveness of two different instructional methods for teaching anatomy. A sample of...
A researcher compares the effectiveness of two different instructional methods for teaching anatomy. A sample of 61 students using Method 1 produces a testing average of 88.6A sample of 111111 students using Method 2 produces a testing average of 64.9 Assume that the population standard deviation for Method 1 is 14.68, while the population standard deviation for Method 2 is 5.52. Determine the 90%90%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.
Step 2 of 3:
Calculate the margin of error of a confidence interval for the difference between the two population means. Round your answer to six decimal places.
Step 3 of 3:
Construct the 90% confidence interval. Round your answers to one decimal place.
Solutions
orchestra answered 2 years agoRelated Solutions
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