Use the t-distribution to find a confidence interval for a difference in means μ1−μ2μ1-μ2 given the relevant sample results. Give the best estimate for μ1−μ2μ1-μ2, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed. A 95% confidence interval for μ1−μ2μ1-μ2 using the sample results x⎯⎯1=76.7x¯1=76.7, s1=11.8s1=11.8, n1=25n1=25 and x⎯⎯2=61.9x¯2=61.9, s2=7.4s2=7.4, n2=20n2=20 Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two decimal places. Best estimate = Enter your answer; Best estimate Margin of error = Enter your answer; Margin of error Confidence interval : Enter your answer; Confidence interval, value 1 to Enter your answer; Confidence interval, value 2
Use the t-distribution to find a confidence interval for a difference in means μ1−μ2μ1-μ2 given the relevant sample results. Give the best estimate for μ1−μ2μ1-μ2, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed.
A 95% confidence interval for μ1−μ2μ1-μ2 using the sample results x⎯⎯1=76.7x¯1=76.7, s1=11.8s1=11.8, n1=25n1=25 and x⎯⎯2=61.9x¯2=61.9, s2=7.4s2=7.4, n2=20n2=20
Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two decimal places.
Best estimate = Enter your answer; Best estimate
Margin of error = Enter your answer; Margin of error
Confidence interval : Enter your answer; Confidence interval, value 1 to Enter your answer; Confidence interval, value 2
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
