Use a t-distribution to find a confidence interval for the difference in means μ = μ₁ −μ₂ using the relevant sample results frompaired data. Assume the results come from random samples from populations that are approximately normally distributed, and thatdifferences are computed using d = x₁ - x₂.A 95% confidence interval for μd using the paired difference sample resultsGive the best estimate for μd, the margin of error, and the confidence interval.Enter the exact answer for the best estimate, and round your answers for the margin of error and the confidence interval to twodecimal places.Best estimate =Margin of error =The 95% confidence interval is ito i3.9, Sa = 1.9, nd 30. Use a t-distribution to find a confidence interval for the difference in means µå = µ₁ − µ₂ using the relevant sample results frompaired data. Assume the results come from random samples from populations that are approximately normally distributed, and thatdifferences are computed using d = x₁ - x₂.A 90% confidence interval for μd using the paired difference sample resultsGive the best estimate for μd, the margin of error, and the confidence interval.Enter the exact answer for the best estimate, and round your answers for the margin of error and the confidence interval to twodecimal places.Best estimate =Margin of error =The 90% confidence interval is ito i=559.7, Sd=143.1, nd= 100.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that a sample is used to estimate a population proportion μμ. Find the margin of error M.E. that corresponds to a sample of size 366 with a mean of 63.2 and a standard deviation of 9.8 at a confidence level of 90%.Report ME accurate to one decimal place because the sample statistics are presented with this accuracy.M.E. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
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Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that corresponds to a sample of size 14 with a mean of 42.4 and a standard deviation of 12.5 at a confidence level of 90%.Report ME accurate to one decimal place because the sample statistics are presented with this accuracy.M.E. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.

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